Mathematics, 11.10.2019 17:00, mistymjoy

Given f '(x) = (5 - x)(8 - x), determine the intervals on which f(x) is increasing or decreasing. (2 points)

decreasing (-∞, 5); increasing on (8, ∞)
increasing (-∞, -5) u (-8, ∞); increasing on (-5, -8)
decreasing (5, 8); increasing on (-∞, 5) u (8, ∞)
decreasing (-∞, 5) u (8, ∞); increasing on (5, 8)

is it b?

Answers: 1

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Given f '(x) = (5 - x)(8 - x), determine the intervals on which f(x) is increasing or decreasing. (2...