3 years ago

Which choice represents the simplified exponential expression? (11^-2)^7 PLEASE HELP!!!

Mathematics

1 answer:

SVEN [57.7K]3 years ago

7 0

Step-by-step explanation:

$( {11}^{ - 2} ) ^{7} = {11}^{ - 2 \times 7} \\ = {11}^{ - 14}$

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Harry wants to buy a MP3 player that costs $46.95. He has $10.25 in his piggy bank. He gets $4.25 for allowance each week. How m

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2 years ago

What is the average rate of change for ƒ(x) = −3x + 79 over the interval 2 ≤ x ≤ 4?

Ainat [17]

Answer:

The average rate of change is -3.

Step-by-step explanation:

Given : Function $f(x)=-3x+79$ over the interval 2 ≤ x ≤ 4.

To find : What is the average rate of change ?

Solution :

Function $f(x)=-3x+79$ over [2,4]

The rate of change is the slope of the line,

So, $\text{Rate of change}=\frac{f(4)-f(2)}{4-2}$

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Substitute,

$\text{Rate of change}=\frac{67-73}{4-2}$

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GaryK [48]

In vertex form it will look like this

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