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5 votes
Use the function below to find f(-2)

f(x)=5^x

User Crigges
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2 Answers

4 votes
The answer is 0.04 because 5^-2= 0.04
User Reylin
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6.5k points
4 votes

Answer:

f(-2) = 0.4

Explanation:

The given function is f(x) = 5ˣ

and we have to find the value of f (-2)

We will substitute x = -2 in the given function.

f(x) = 5ˣ

f(-2) = (5)⁻²

Since x⁻¹ =
(1)/(x)

so f(-2) =
(1)/(5^2)


(1)/(25)

= 0.04

Therefore, f(-2) = 0.4 is the answer.

User Bmb
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7.5k points