Question: Consider the function. f(x) = x- 6x + 8 x3 Find f'(x). f'(x) = Find f'(x). f'(x) = = Find f'(-1) and f(4). f(-1)

Consider the function. f(x) = x- 6x + 8 x3 Find f'(x). f'(x) = Find f'(x). f'(x) = = Find f'(-1) and f"(4). f"(-1) = f"(4) = Determine whether the function f(x) is concave up or concave down at the indicated points. (a) x = -1 concave up concave down Well done! (b) x = 4 concave up concave down Fantastic work!

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