AP Calculus ABeasymcq1 pt

Suppose f(x)<0f''(x)<0 at every point of the interval (0,6)(0,6). What can be concluded about ff' on (0,6)(0,6)?

A.decreasing.
B.increasing.
C.negative.
D.equal to zero.

Explanation

Core Concept

ff'' is the derivative of ff'. Since f(x)<0f''(x)<0 on (0,6)(0,6), the function ff' is decreasing there.

Correct Answer

Adecreasing.

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