Question 135651
Let f(x) =5^x.
Find f(-2) 

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f(-2) = 5^(-2)
The negative means "inverse".
The 2 means "square".
You may carry these two operations in any order.
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f(-2) = (1/5)2 = 1/25
OR
f(-2) = 25^-1 = 1/25
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Cheers,
Stan H.