Question: no extra detail Question 21 Consider the function f(x) = -312 + 61 + 4. Which of the following is true? A f is decreasing

no extra detail

Question 21 Consider the function f(x) = -312 + 61 + 4. Which of the following is true? A f is decreasing over the interval (-oo, -1) and increasing over the interval (-1, oc) B f is increasing over the interval (-oo, oo) C f is increasing over the interval (-oo, -1) and decreasing over the interval (-1, cc) D f is decreasing over the interval (-oo, 1) and increasing over the interval (1, cc) E f is increasing over the interval (-co, 1) and decreasing over the interval (1, cc)

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