Question

what is th evalue of f(x) =9^x when x=-2?

Answer 1

What does a number being raised to a negative value represent?

Answer 2

i have no ideao D:

Answer 3

When a number is raised to negative power, that means the following: \[x^{-n} = \frac {1}{x^n}\]

Answer 4

A is the correct answer

Answer 5

f(x)=9^x since x=-2
now juts put -2 in the place of x
f(-2) = 9^-2
=1/9^2
=1/81
is the correct answer

Answer 6

thanks so much

Answer 7

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