Question: In Problems 1 and 2, determine whether each function is concave up or concave down at the indicated points. 1. f (x) = x3 -

In Problems 1 and 2, determine whether each function is concave up or concave down at the indicated points.
1. f (x) = x3 - 3x2+1 at
(a) x = -2
(b) x =3
2. f (x) = x3 + 6x - 4 at
(a) x = -5
(b) x 7

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