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30 votes
30 votes
Evaluate f(x) = 5* when x = -3.

User Dilbert
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1 Answer

17 votes
17 votes

If you're trying to say find f(x) = 5ˣ when x = -3

The answer would be
(1)/(125)

A negative exponent means to put that value in the reciprocal. So the reciprocal of 5 is
(1)/(5) . and the 3 means to multiply it 3 times like
((1)/(5))((1)/(5))((1)/(5)) to get
(1)/(125)

User Vasudha
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3.4k points