trytodepress trytodepress

20-04-2018
Mathematics

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What is the value of f(x) = [tex] 9^{x} [/tex] when x = -2?

[tex] \frac{1}{81} [/tex]

81

[tex] \frac{1}{18} [/tex]

18

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prestonshelton prestonshelton

20-04-2018

Hello!

We put -2 in for x

[tex] 9^{-2} [/tex]

9 to the power of -2 is [tex] \frac{1}{81} [/tex]

The answer is A) 1 / 81

Hope this helps!

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