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3 years ago

F(x) = x2 – x-1 What is the average rate of change of f over the interval -1 < x < 1?

Mathematics

2 answers:

Leni [432]3 years ago

7 0

Answer:

-2 < x - 1 < 0

Step-by-step explanation:

2x - × - 1 = x -1

-1 < x < 1

2. -2 < x - 1 < 0

kherson [118]3 years ago

3 0

-2 because it’s obby

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Simplify 4 to the 7th over 5 squared all raised to the 3rd power

alisha [4.7K]

<h2>Answer:</h2>

$\left(\frac{4^{21}}{5^6}\right)$

4 to the 21st over 5 to the 6th.

<h2>Step-by-step explanation:</h2>

First, we need to write our expression. Let's do it step by step:

$4^7$

<u>5 squared:</u>

$5^2$

<u>4 to the 7th over 5 squared:</u>

$\frac{4^7}{5^2}$

<u>4 to the 7th over 5 squared all raised to the 3rd power:</u>

<u> $\left(\frac{4^7}{5^2}\right)^3$ </u>

Using the law of exponents:

$\left(\frac{4^{7\times 3}}{5^{2\times 3}}\right) \\ \\ \left(\frac{4^{21}}{5^6}\right)$

Finally, the answer is 4 to the 21st over 5 to the 6th.

8 0

3 years ago

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What is the radius of the circle whose equation is x^2 + y^2 = 8

gogolik [260]

√8

for the equations of circles: x²+y²= (radius)²

5 0

2 years ago

Are these right before I go on I have a 100 in math #wannakeepit

Serjik [45]

They are all correct

4 0

3 years ago

How long will it take Greg to earn $500.00 round to the nearest hour

Mrrafil [7]

Answer:

56 hours

Step-by-step explanation:

we know that

A relationship between two variables, x, and y, represent a proportional variation if it can be expressed in the form $y/x=k$ or $y=kx$

Let

x -----> the number of hours

y ----> the amount earned in dollars

This problem represent a proportional relationship between the variable x and the variable y

Find the value of the constant of proportionality k

$k=y/x$

For (3,27) ----> $k=27/3=9\ \$/h$

For (9,81) ----> $k=81/9=9\ \$/h$

For (21,189) ----> $k=189/21=9\ \$/h$

The constant of proportionality k is 9

The linear equation is

$y=9x$

For y=$500

substitute in the equation and solve for x

$500=9x$

Divide by 9 both sides

$x=56\ hours$

5 0

2 years ago

Write the following in ascending order a)4/10,49/100,357/10,1/1001 plz fast ,correct and plzz with explanation

suter [353]

Answer:

1/1001 < 4/10 < 49/100 < 357/10

Step-by-step explanation:

4/10 => 0.4

49/100 => 0.49

357/10 => 35.7

1/1001 => 0.0009

Ascending order is from smallest to the greatest.

5 0

2 years ago

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