Question: The function below on the domain x > 0 has a maximum value. f ( x ) = - x 3 + 4 x 2

The function below on the domain x>0 has a maximum value.
f(x)=-x3+4x2+7x-28
What is the x-value at which this function attains its maximum? [Round to three decimal places.]
The function below on the domain x>0 has a maximum value.

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