Question: Consider the function below. (Use U to denote the union of two intervals.) f(x) = 4+ 2x2x4 (a) Find the interval(s) of increase. (Enter
Consider the function below. (Use U to denote the union of two intervals.) f(x) = 4+ 2x2x4 (a) Find the interval(s) of increase. (Enter your answer using interval notation.) Find the interval(s) of decrease. (Enter your answer using interval notation.) (b) Find the local minimum value(s). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) Find the local maximum value(s). (Enter your answers as a comma-separated list. If an answer does not exist, enter DNE.) (c) Find the inflection points. (x, y) = (x, y) = (smaller -value) (larger x-value) Find the interval(s) where the graph is concave upward. (Enter your answer using interval notation.) Find the interval(s) where the graph is concave downward, (Enter unu
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