pure add on

Question 1

f’(x) = 0
using second derivative how do you know if max or min

Answer 1

If f’‘(x) is positive then the point is a local minimum

If f’‘(x) is negative then the point is a local maximum

If f’‘(x) is zero then the point could be a local minimum, a local maximum OR a point of inflection (use Method A to determine which)

Question 2

what does concave look like?

Question 3

what does convex look like?

Answer 3

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