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3 years ago

You are renting a car that charges a $30 fee plus 40 cents a mile. The rate of change

Mathematics

2 answers:

Dmitry [639]3 years ago

7 0

Answer:

true

is the answer

trasher [3.6K]3 years ago

3 0

False. 30 is the initial fee, 40¢ is the rate of change.

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Let f(x)=−1/4(x+4)^2−8 . What is the average rate of change for the quadratic function from x=−2 to x = 2? Enter your answer in

kiruha [24]

Answer:

Average rate of change of function is -2.

Step-by-step explanation:

Given $f(x)=\frac{-1}{4}(x+4)^2-8$ .

we have to find the average rate of change for the quadratic function from x=−2 to x = 2.

$f(-2)=\frac{-1}{4}(-2+4)^2-8=\frac{-1}{4}(4)-8=-9$

$f(2)=\frac{-1}{4}(2+4)^2-8=\frac{-1}{4}(36)-8=-17$

The average rate of change of the function f(x) on interval [-2,2] is

$\frac{f(b)-f(a)}{b-a}=\frac{f(2)-f(-2)}{2-(-2)}=\frac{-17-(-9)}{4}=\frac{-8}{4}=-2$

3 0

3 years ago

In the graph, z is a complex number represented as a vector from the origin. What is the product of z and its conjugate?

BlackZzzverrR [31]

Do you have a picture

7 0

3 years ago

25 points help please just give the y intercept and slope

ycow [4]

Answer:

eq 1 yint = 7

eq2 yint= 4

slope for both is 1

7 0

2 years ago

Which of the following equations is equivalent to −6x+2y=24?

s344n2d4d5 [400]

Answer:

The choice three ;

$y = 3x + 12$

Step-by-step explanation:

$- 6x + 2y = 24 \\ 2y = 24 + 6x \\ \\ y = \frac{24 + 6x}{2} \\ \\ y = \frac{24}{2} + \frac{6x}{2} \\ \\ y = 12 + 3x$

3 0

2 years ago

The purchasing director of a bank has just received a shipment of 100 printers. She has been told that the shipment includes 5 d

zaharov [31]

Since there is a 95% chance that you get two printers right, then you simply square the decimal equivalent which is .95 (Hence, you do .95^2). You will get .9025 (or 90.25%).

For letter b, you simply subtract .9025 from 1.
ans = 1-.9025
ans = .0975 (or 9.75%)

So the answer to B) would be there is a 9.75% chance the probability of a shipment can be rejected.

8 0

3 years ago