Question: Find intervals of increase and decrease for each of these functions, and determine whether each critical number corresponds to a relative maximum, a relative minimum,

Find intervals of increase and decrease for each of these functions, and determine whether each critical number corresponds to a relative maximum, a relative minimum, or neither.


a. f(x) = −x4 + 4x3 + 5


b. f(t) = 2t3 − 9t2 + 12t + 5


c.


g(t) t f+9


d.


image

g(t) t f+9

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a There is no relative extrema when x 0 but when x 3 f has a relative maximum ... View full answer

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