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What is the range of the function y= 2e^x -1 ?

What is the range of the function y= 2e^x -1 ?-example-1
User Erce Tilav
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2 Answers

7 votes

The range is all real number greater than - 1

User Jan Hommes
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2 votes

Answer:

All real numbers greater than -1

Explanation:

We have to find the range of:

y=
2e^x-1

We know that
e^x lies in (0,∞)

Hence,
2e^x lies in (0,∞)

Hence,
2e^x-1 lies in (-1,∞)

Hence, the range of y=
2e^x-1 is:

All real numbers greater than -1

User Renzo Tissoni
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5.6k points