Mathematics Middle School

The function y = f (x) is graphed below. What is the average rate of change of the function f(x) on the interval - 1 ≤ x ≤ 3?

The Function Y = F (x) Is Graphed Below. What Is The Average Rate Of Change Of The Function F(x) On The

Answers

Answer 1

Answer:

[tex]\displaystyle -2[/tex]

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

Average Rate of Change: [tex]\displaystyle \frac{f(b) - f(a)}{b - a}[/tex]

Step-by-step explanation:

Step 1: Define

Interval -1 ≤ x ≤ 3

a = -1, b = 3

f(a) = f(-1) = 4

f(b) = f(3) = -4

Step 2: Find Average

Substitute in variables [ARC]:                     [tex]\displaystyle \frac{f(3) - f(-1)}{3 + 1}[/tex]Substitute:                                                   [tex]\displaystyle \frac{-4 - 4}{3 + 1}[/tex][Fraction] Subtract/Add:                             [tex]\displaystyle \frac{-8}{4}[/tex][Fraction] Divide:                                        [tex]\displaystyle -2[/tex]

Related Questions

Simplify 3(2x + y) using the distributive property.
Group of answer choices

5x + 3y

6x + 3y

3x + 3y

x + y

Answers

Answer:

6x+3y

Step-by-step explanation:

3*2x=6x, and 3*y=3y

Answer:

6x+3y

Step-by-step explanation:

You have to distribute the 3 into the. parenthesies so first you would multiply the 3 and 2 then add the x at the end to get 6x + then you would multiply the 3 and the y to get 3y so in total it is 6x+3y

if a 6-foot man casts an 8-foot shadow, how tall is a tree that casts a 24-foot shadow?

Answers

26 , 8-6=2 so you do 24+6

Expand the following expression.

5.2(23 - 3.62x)
A.
119.6x - 18.824
B.
119.6 - 18.824x
C.
18.824 + 119.6x
D.
28.2 - 8.82x

Answers

Answer:

119.6 - 18.824x

Step-by-step explanation:

5.2 x 23 = 119.6

5.2 x 3.62x = 18,824x

= 119.6 - 18.824x

The answer is b because of it being simple

please asap homework help

Answers

Answer:

2700 cubic meters

Step-by-step explanation:

18*9*10=1620m

24*9*5=1080m

1620+1080=2700[tex]m^{2}[/tex]

Gavin saved $30,000 in a savings account. He received a 2.5% interest rate and saved for 8 years. How much interest did he earn

Answers

he earned 6000 interest in total 36000

Answer:

30000/40=750x8=$6000 in interest earned

Step-by-step explanation:

The lowest elevations of Argentina and Peru are both below sea level. The lowest elevation in Argentina is about $345$ feet below sea level. The lowest elevation in Peru is about 1/3
the value of Argentina’s lowest elevation.

Which value best represents the lowest elevation, in feet, in Peru?

Answers

1/3 is the answer hope this helped

HELP PLz Now!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

It will take 16 months to grow which is C

Step-by-step explanation:

Answer: 16 months

Step-by-step explanation:

8 / 1/2 = 16

16 x 1/2 = 8

So it would take her 16 months to grow her hair 8 inches.

Brainliest will be awarded

Answers

Answer:

K=-5

Hope that helped <3

A salesperson at a jewelry store earns 8% commission each week....

Answers

Answer:

heidi earned $56 in commision.

hyou take the amount the jewerly store made, 700 in this case and divide it by 100, to find what 1% is. so 1% is 7$, multiply that  by 8, since she makes 8% and that ur answer

Step-by-step explanation:

Ok so 700x0.8 will give 80% and divided by 10=8% the salesperson will earn $56 the total is out of 100,100-8= the amount the jewelry store gets meaning the remaining of the $700,700-56=644. To conclude the salesperson will get $56 and the jewelry store will get $644. Hope this helps :)

Find the area of the square pyramid represented by this net.

Answers

Answer:

2.6 cm is the answer hope it helps

answer: 64 cm^2


Area of triangle:

(6x4) / 2
24 / 2
= 12 cm^2

There are 4 triangles so:
12 x 4 = 48 cm^2

Area of square:
4 x 4 = 16 cm^2

Total area:
48 + 16 = 64 cm^2

can some one help me

Answers

Answer : x = 15

Explanation :

180-106= 74

74=6x-16

74+16 =6x

90=6x

x=15

Answer:

Step-by-step explanation:

6 x (-(16 degrees)) =

-1.67551608 rad

please help TvT i dunno how many times ima say this today

Answers

Answer:

answer is #1. 3/7

Step-by-step explanation:

Plz help!!
its not 82 and 71 combined...... its 8 and then 2/3

8 2/3 - 7 1/8

explanation!!!!!!!

Answers

Answer:

Step-by-step explanation: 37/ 24 =1 13/24 = 1.5416667

The answer would be 1 13/24

You want to do
8 2/3
7 1/8
———
But you have to have the same denominators so you (x) 1/8 by 3 and 2/3 by 8 to get

8 16/24
7 3/24
————
Then you just subtract 16 and 3 to get 13 and subtract 8 and 7 to get 1 so the answer would be 1 13/24

Peggy has $30 to spend on one book at the bookstore. She has a coupon for 15% off the price of one book. She will be charged 7% tax. What is the price (before she uses the coupon) of the most expensive book that Peggy could buy?

I will mark brainliest if you give an explanation

Answers

Answer:

$10.56

Step-by-step explanation:

Hope this helps! :D

30-15%+7$

Here is the same question but a bit bigger

Answers

Each sandwich is 6.75 dollars

Write the prime factorization of 363 using exponents.

Answers

The exponents in the prime factorization are 1 and 2. Adding one to each and multiplying we get (1 + 1)(2 + 1) = 2 x 3 = 6. Therefore 363 has exactly 6 factors.
363 has exactly 6 factors

Need help with these two, please thanks

Answers

Answer:

the answer is 93.6

Step-by-step explanation:

Answer:

Sales Tax = $3.6

Step-by-step explanation:

$90.00 × 4% = 3.6. The Sale price is $93.6

look at the diagram and explain if it’s a function

Answers

Answer: In the diagram, it is a function because the domain(x) is not repeating and so it makes it a function

Step-by-step explanation: This is correct :)

This is a function because the x value is only going to 1 y value
Hope that helped :)

Please help me I will give you the brain thing with extra points, please help me. 4/5

Answers

Answer: B

Step-by-step explanation: In all the new coordinates the y coordinate becomes a negative.

In Jason's baseball card
collection 62% of his cards are
from the National League. If
Jason has 50 cards, how many
players are from the National
League?

Answers

Answer:

31

Step-by-step explanation:

50 x 0.62 = 31

Linear Expressions 3/4(3x+6)-1/4(5x-24)

Answers

Answer:

[tex]x+\frac{21}{2}[/tex]

( hope this helps ! <3 )

21 over 2
have a good day

lexi bought 1 2\5 pounds of green grapes and 2 3\10 pounds of red grapes. Grapes are 2.99 a pound. Did lexi spend more or less than $12 on grapes? please explain asap

Answers

Answer:

Less than $12

Step-by-step explanation:

I changed everything into decimals to make it easier to solve:

1 2/5= 1.4

2 3/10= 2.3

1.4+2.3=3.7

2.99·3.7=11.063 (Round it to the nearest hundredth and you get 11.06)

Less than $12
Hope that helps :)

HURRY IM BEING TIMED!!! Explain why ratios and proportions would be important when designing environments and characters?

Answers

Answer:

The ratio and proportion are the two important concepts, and it is the foundation to understand the various concepts in mathematics as well as in science. In our daily life, we use the concept of ratio and proportion such as in business while dealing with money or while cooking any dish

Step-by-step explanation:

hope this helps may i have brainliest

Answer:

Possible answer: Ratios and proportions are important skills to have because without them the environment and the characters would be in the wrong proportions and would not look realistic.

Step-by-step explanation:

Solve the equation using mental math x-1/5 = 4 2/5

Answers

Answer:

Exact Form:

x = 23 /5

Decimal Form:

x = 4.6

Mixed Number Form:

x = 4  wholes  3/5

Step-by-step eplanation:

Drag the cards to create a number that matches these rules

Answers

Answer:

34.8

Step-by-step explanation:

if its more than .5 than it could be rounded to the nearest number....

For example,

34.8  

.8 would turn into .0 or 0 and 4 will turn into 5 but leave the 4 alone and leave the 3 alone too.

So answer would be 34.8

math homework pls help thanks

Answers

Answer:$74.25 for A

)624.25 for B

Step-by-step explanation:

74.25 (A)
624.25(B) hope this helps! :)

don't freaking troll me actually help ok

Answers

Answer:

Dam- Teachers are really into homework these days- like give us a break- It's corona- School is like super stressful-

Step-by-step explanation:

I know i didn't answer this question- sry-

Wow this is really hard I’m sorry you have to go through that

ignore my handwriting but here’s some math i need for tomorrow

Answers

FYI - 14,15,16 are correct.

17. a) 7 (nearest integer), b) 6.8 (nearest tenth)

18. a) 14 (nearest integer), b) 13.8 (nearest tenth)

19. [tex]\sqrt{40}[/tex] --> simplified to = 2[tex]\sqrt{10}[/tex]

-- let me know if you have any questions regarding this.

Help Me with the second one plz!

Answers

Answer:

0.003

Step-by-step explanation:

multiply by 12

Answer:

Step-by-step explanation:

0.00025

Different question, same scenario:
On a recent survey, 60% of those surveyed indicated that they preferred taking a trip to the beach over a trip to the mountains. If 810 people preferred a trip to the mountains, how many preferred a trip to the beach?
Question 2 options:

810


1,215


1,350


2,025

Answers

Answer: C. 1350

Step-by-step explanation:

60…6/10

6/10=810x

10(810)=x(6)

8100=6x

Divide 8100 by 6

1350=x

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