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What is the range of f(x)=e^x?

A.All real numbers less than 0
B.All real numbers except 0
C.All real numbers
D.All real numbers greater than 0

2 Answers

2 votes
D. All real numbers greater than 0
User Inarilo
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3 votes
The range refers to the value of y for which x is define.

So let y=f(x),


y = {e}^(x)

Try making x the subject to obtain,


x = ln(y)
x is defined for all real values of y greater than
0.

Hence the correct answer is D.
User Gabra
by
8.2k points

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