Asked by Joe
On what interval(s) is the curve y=(2e^x)-(e^(-3x)) concave downward?
Answers
Answered by
TutorCat
Set the second derivative equal to zero and solve for x.
Test the regions below and above x to determine which interval(s) yield a negative output.
Test the regions below and above x to determine which interval(s) yield a negative output.
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