Question: Determine the intervals on which the following function is concave up or concave down. Identify f ( x ) = e x ( x +

Determine the intervals on which the following function is concave up or concave down. Identify
f(x)=ex(x+1)
Determine the intervals on which the following functions are concave up or concave down. Sele complete your choice.
A. The function is concave down on and concave up on .
(Simplify your answers. Type your answers in interval notation. Use a comma to separe
B. The function is concave down on and the function is never concave up.(Simplify your answer. Type your answer in interval notation. Use a comma to separate
C. The function is concave up on and the function is never concave down. (Simplify your answer. Type your answer in interval notation. Use a comma to separate
D. The function is never concave up nor concave down.
Determine the intervals on which the following

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