The rate of change of (8e^3x)+(27 e^-3x)

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Question from Aleo, a student:

I am unable to solve this problem:
Find the rate of change of (8e^3x)+(27 e^-3x), with respect to x when x= 0.5

Hi Aleo,

If f(x) = (8e^3x)+(27 e^-3x) you need to find the derivative of f(x0, f'(x), and then evaluate f'(0.5). Can you tell us what you got for f'(x)?

Penny

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