Question: In Problem, determine whether each function is concave up or concave down at the indicated points. g(x) = 7 - 8x 3 + 4x 5

In Problem, determine whether each function is concave up or concave down at the indicated points.

g(x) = 7 - 8x3 + 4x5 at

(a) x = 4

(b) x = 1/2

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