Could somebody kindly check my answer for the following question?

Find the derivative of the following function:


I would greatly appreciate your help.


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  1. you can always check your answers at

    As you can see, you're way off.

    If h = 3e^u where u is a function of x, then
    h' = 3e^u du/dx
    = 3e^(sin(x+2)) * cos(x+2)^%28sin%28x%2B2%29%29

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    posted by Steve
  2. Thank you Steve.

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