Calculate the average rate of change over the interval [1, 5] for the following function. H(x)=-2x^2-3x-1

Answers

Answer 1

Answer:

[tex]Rate = -15[/tex]

Step-by-step explanation:

Given

[tex]H(x) = -2x^2 - 3x - 1[/tex]

[tex][a,b] = [1,5][/tex]

Required

The average rate of change

This is calculated using:

[tex]Rate = \frac{H(b) - H(a)}{b - a}[/tex]

Substitute values for a and b

[tex]Rate = \frac{H(5) - H(1)}{5 - 1}[/tex]

[tex]Rate = \frac{H(5) - H(1)}{4}[/tex]

Solve for H(5) and H(1)

[tex]H(5) = -2*5^2 - 3*5 - 1 = -66[/tex]

[tex]H(1) = -2*1^2 - 3*1 - 1 = -6[/tex]

So, the expression becomes:

[tex]Rate = \frac{-66 - (-6)}{4}[/tex]

[tex]Rate = \frac{-66 + 6}{4}[/tex]

[tex]Rate = \frac{-60}{4}[/tex]

[tex]Rate = -15[/tex]


Related Questions

What is the equation for y= and The high of the basketball after 1.7 second? Please explain your answer.

Answers

Answer:

Step-by-step explanation:

ax² + bx + c = y

Plug in data points to get a system of equations in three unknowns.

(0.5,18): 0.25a + 0.5b + c = 18

(1,24): a + b + c = 24

(1.5,22): 2.25a + 1.5b + c = 22

Solving the system:  a = -16, b = 36, c = 4

y = -16x² + 36x + 4

When x = 1.7, y = -16·1.7² + 36·1.7 + 4 = 18.96 ft

dy
Find in the following
dx
(i) y2 = 4x ​

Answers

Step-by-step explanation:

) y2 = 4x

differenting both side with respect to x

dy²/dx=d4x/dx

2y dy/dx=4

dy/dx=4/2y=2/y


Christine has her own dog-walking business. She charges her customers $20 per day to walk their dog.


Make a table to show how much she earns for walking 1 to 8 dogs.


Please help me !

Answers

Answer:

Number of dogs (x) | Amount charged to walk a dog (y)

1 | 20

2 | 40

3 | 60

4 | 80

5 | 100

6 | 120

7 | 140

8 | 160

Step-by-step explanation:

Charge for walking a dog = $20 per dog

Number of dogs = x

Amount charged to walk a dog in a day = y

Unit rate = 20

Equation to represent this is: y = 20x

Let's use this to form a table for walking 1 to 8 dogs:

For 1 dog (x):

y = 20(1) = $20

For 2 dogs (x):

y = 20(2) = $40

For 3 dogs(x):

y = 20(3) = $60

For 4 dogs:

y = 20(4) = $80

And so on till we get to tl8 dogs.

This, we should have the following table:

Number of dogs (x) | Amount charged to walk a dog (y)

1 | 20

2 | 40

3 | 60

4 | 80

5 | 100

6 | 120

7 | 140

8 | 160

Of the flowers in Bella’s garden, 5/8 are tulips. What percent of the flowers in the garden are tulips?

Answers

62.5%
I hope this helps!!

Answer:

62.5

Step-by-step explanation:


[tex]5 \frac{5}{6} - 1 \frac{1}{4} = [/tex]

Answers

The answer is

[tex] \frac{55}{12} [/tex]

and in mix fraction it will be

[tex]4 \frac{7}{12} [/tex]

and in decimal form,

[tex]4.583333[/tex]

[tex]answer \: = 4 \frac{7}{12} [/tex]

Way to do

5⅚ - 1¼ =

35/6 - 5/4 =

140/24 - 30/24 = 110/24 = 4 14/24 = 4 7/12

Felix used 1.64 meters of fabric to make a pair of pants. Alicia used 1.71 meters of fabric to make a skirt. Who used more fabric and how did you get the answer?

Answers

Alicia used more fabric

Which property is illustrated by the equation 3 (m n) = (3 m) n?
associative property
commutative property
distributive property
identity property

Answers

Answer:

a...

associative property

Step-by-step explanation:

trust me

Answer:

it is A.

Step-by-step explanation:

hope this helps!

Does any one know the answer

Answers

Answer:

Step-by-step explanation:

Solve for x=0 and x=1

y(0)=2(3^0)=2(1)=2 so (0,2) is a point.

y(1)=2(3^1)=2(3)=6 so (1,6) is a point.

Only graph B has those two points.

hurry i need help plz

Answers

Answer:

B

Step-by-step explanation:

So for the first square we Have ab*a

When you multiply variables then you add up their powers so b^1a^1+a^1= (a^2)(b^1)

Second box is -3 * a which is equal to -3a

third box is 2b * ab = 2ab^2

fourth box is -3 *2b = -6b

absolute value for |0.7|

Answers

-0.7 I think. Sorry if I’m wrong

Evaluate each expression for the given value of the variable. 4(d + 7); d = 2

Answers

36 ugugivihihigugufufuf

17
Select the correct answer from the drop-down menu.
A whole number is 6 more than 2 times another number. The sum of the two numbers is less than 50. This can be written in an inequality as
x+2x+6 < 50, where x represents the smaller number.
From the set {13, 14, 15, 16, 17), the values of x for which the inequality holds true are
Reset
Next

Answers

Answer:

13 and 14

Step-by-step explanation:

From the inequality

x + 2 x + 6 < 50

we work out the answer for x isolating it on one side of the inequality as shown below

3 x + 6 < 50

3 x < 50 - 6

3 x < 44

x < 44/3  ≅ 14.6666...

Therefore, select from the set the numbers:  13 and 14.

HELP PLEASE!!!!!!!!!!!
A cone has a volume of 33 cubic inches. If a cylinder has the same height and the same radius as the cone, what is the volume of the cylinder?

Answers

Answer:

C

Step-by-step explanation:

Step-by-step explanation:

The volume of a cylinder = πr²h

= 33 cubic inches

The volume of a cone = ¹/3 πr²h

If the cylinder and come share the same radius and height then ‘πr²h’ part of the formulas is the same for both;

It means the difference in proportionality is ¹/3 (because even π is the same across board). The volume of the cone is therefore;

¹/3 (33)

= 11

= 11 cubic inches

Hope this helps!

it takes Joaquin 1/3 hour to hike 1/2 mile. What is Joaquin's speed in miles per hour?
PLEASE DO IT FAST I WILL GIVE FIVE SATR AND BRAINLIEST

Answers

His speed was 1.5 mph

Explanation: It took him 20 minutes (1/3 of an hour) to hike 1/2 mile. 20 times 3 is 1 hour so 1/2 mile times 3 is 1.5 miles in one hour.

i will give brainliest and also 10$

Answers

I think it’s 45

add 90 because the right angle and 45 which then equals 135
180-135
45
i may be wrong but i think so

33.85 or 32.75 sorry if I am wrong

Step-by-step explanation:

for this one you have you multiply 17 by itself like this 17x17=289 but you also have to do it with the 28 to like this 28x28=784, now what you do it add up the 289+784=1,073 then you square root 1,073 which gives you 32.75 round it to the nearest tenth of needed so your will be between 33.85 or 32.75

Evalute b (caret) 2-5c b=15 and c =9

Answers

Answer: look at the 4 picture for the answer’s

Question: 2-5c b=15

Question: 2-5c c=9

Step-by-step explanation: hope this help:)

in a sequence, each
term after the first is the sum of the squares of the
digits of the previous term. Thus if the first term
were 12, the second term would be 12 + 22 = 5, the
third term 52 = 25, the fourth term 22 + 52 = 29, and
so on.
Find the first five terms of the sequence whose first
term is 25.
?

Answers

Answer:

25 , 29, 85 , 89 , 145 , 42.

Step-by-step explanation:

The first five terms will be 25, 29, 85, 89, 145.

What is a sequence?

A sequence is defined as an arrangement of numbers in a particular order.

Given that, in a sequence, each term after the first is the sum of the squares of the digits of the previous term.

The first term is 25

Therefore, according to question,

2nd term = 2²+5² = 4+25 = 29

3rd term = 2²+9² = 4+81 = 85

4th term = 8²+5² = 64+25 = 89

5th term = 8²+9² = 64+81 = 145

Hence, The first five terms will be 25, 29, 85, 89, 145.

For more references on sequences, click;

https://brainly.com/question/21961097

#SPJ2

HELP!!
The height of a tree was 16 ft at the beginning of the year. At the end of the year, the tree is 17.5 ft tall.

What is the percent increase?

Enter your answer, rounded to the nearest percent, in the box.

Answers

Answer:

It is 9%

Step-by-step explanation:

I took the test

Find the length of side x in simplest radical form with a rational a
denominator.

Answers

Step-by-step explanation:

[tex] {x}^{2} = {7}^{2} + {7}^{2} \\ {x}^{2} = 98 \\ x = \sqrt{98} = 7 \sqrt{2} [/tex]

The ratio of the measures of the sides of a triangle is 3:5:7, and its perimeter is 135 feet. Find the measure of each side of the triangle.
a. x = 9
b. 13.5 ft, 22.5 ft, 31.5 ft
c. 27 ft, 45 ft, 63 ft
d. 25 ft, 45 ft, 65 ft

Answers

Answer:

The correct answer is C. 27 ft, 45 ft, 63 ft.

Step-by-step explanation:

Given that the ratio of the measures of the sides of a triangle is 3: 5: 7, and its perimeter is 135 feet, in order to find the measure of each side of the triangle, the following calculation must be performed:

3 + 5 + 7 = 15

135/15 = 9

9 x 3 = 27

9 x 5 = 45

9 x 7 = 63

Therefore, the measures of the sides of the triangle are 27 ft, 45 ft, and 63 ft.

Need Help Quickly - conjectures with angles

these questions need answering. Could anyone please help me on these I need the answers rn as I'm on a maths live. if you don't mind could you guys please explain it to? These questions are either TRUE OR FALSE.


a) the sum of two acute angles is always acute


b) Co- interior angles in parallel lines cannot be equal


c) All Angles Contain Three Actuate angles


d) The sum of two obtuse angles is more than a full turn


Answers

a) false (89+89=178⁰ not acute!)

b) false (they could both be 90⁰ but this is the only angle that works)

c) what

d) false (92+92=184⁰ this is less than 360⁰)

can you please explain c ????

In a football marathon , a team lost 4 games and won 7.what is the ratio of win to loses?

Answers

7:4 should be the anser
7:4 i’m just typing this so it will let me answer :)

A jar contains n nickels and d dimes. There are 31 coins in the jar, and the total value of the coins is $2.10.

Answers

Answer:

11 dimes 20 nickels

Step-by-step explanation:

Only combo that makes $2.10

1. Find the length of FG.
7cm
B
3cm
9cm
A
E
Your answer

Answers

Hi, can you attach a picture of the problem?

the diagnoal of a rectangle is 25 inches and the width is 15 inches what is the length

Answers

Answer:

20 inches

Step-by-step explanation:

help help help help help help help help help help help help help help help help help help help

Answers

Answer:

2/6

Step-by-step explanation:

Since you already have 6 socks in total and you already know 4 of the color socks are either green or blue, all you would have to do is 6-4 to equal 2 and therefor making 2/6

Hope this helps :)

Answer:

im very late but 2/6

Step-by-step explanation:

Define slope and y-intercept.

Answers

The slope-intercept form of a line is: y=mx+b where m is the slope and b is the y-intercept.
The y-intercept is always where the line intersects the y-axis, and will always appear as (0,b) in coordinate form.

Step-by-step explanation:

Slope is the ratio of the vertical and horizontal distances between two points on a line.

Y-intercept is a point at which a line crosses the y-axis of a Cartesian grid.

Hope it will help :)

can someone help me on this question it need to be done today?!?

Answers

Step-by-step explanation:

a)

=B

b)

2.6+x= 10.4

c)

2.6+x= 10.4

x= 7.8

the pitcher was filled partially with 7.8 liters

1.4=h/5 plz help me I’ll give brainliest

Answers

1.4=h/5
multiply both sides by 5
h=7

Answer:

ℎ=7

(Hope this helps!! Btw, I am the first to answer.)

About 182 out of 200 students prefer walking instead of riding the bus to school. About what percent of the students prefer walking?

Answers

Answer:

81%

Step-by-step explanation:

Total student  = 200

Student that prefer walking = 182

Percent of those that prefer walking = student that prefer walking/total student * 100

Percent of those that prefer walking = 182/200 * 100

Percent of those that prefer walking = 182/2

Percent of those that prefer walking = 81%

Hence the required percentage is 81%

Other Questions
There are 15 red beads and 24 blue beads in a bag.Write the ratio of blue beads : red beads in its simplest form. confused on this a bit. No explanation needed In the past month, Aldo rented 7 video games and 4 DVDs. The rental price for each video game was $2.30. The rental price for each DVD was $2.90. What is the total amount that Aldo spent on video game and DVD rentals in the past month? In the function f(x) =2x+1, what is f (5)? F (5) = {___} Which characteristic of living organisms is described by the following definition? "The abilityto detect changes in the environment and make responses".1. nutrition2. sensitivity3.movementexcretions Find the y intercept and slope The table here shows the largest lakes in U.S. in terms of surface area. How much larger is the surface area of Huron lake than one-half the surface area of Lake Superior? please help I'll give brainiest Help me this one is for 10 points. Why was German hitler youth gaining power in such terms ? Hellppppp pleaseeee ASAP (Sat prep) find the value of x, 65 degrees and 75 degrees isosceles triangle. Does the line passing through the points (3,3) and (7,11) intersect the line passing through the points (5,8) and 13,24) ? 1 of 9 3 7 of students at a school are boys. If there are 2282 students at the school, how many are girls? Find the surface area of a cylinder with a base radius of 4 yards and a height of 9 yards Sal has 3 of a sheet of poster board. Four friends are sharing the sheet equally. What fraction of the original sheet does each friend get? A linear sequence starts a + 2b, a + 6b, a+10bThe 2nd term has value 8 and the 5th has value 44Work out the values of a and b How can scientists control the flammability of a substance? this is the first chapter of a book im working on. pls leave any feedback you have and tell me if u like it thhxxx!! (you have to download doc) Paisley has an action figure collection. She keeps 72 of the action figures on her wall,which is 45% of her entire collection. What is the total number of action figures inPaisley's collection?Answer pls I will mark brainliest