Let . Which of the following lists ALL intervals on which is…

MATHEMATICS · Single correct · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

Let p(x)=∣x2−5x+4∣p(x)=|x^{2}-5x+4|. Which of the following lists ALL intervals on which pp is increasing? (a) (−∞,1)∪(4,∞)(-\infty,1)\cup(4,\infty) (b) (52,∞)(\tfrac{5}{2},\infty) (c) (1,52)∪(4,∞)(1,\tfrac{5}{2})\cup(4,\infty) (d) (52,4)(\tfrac{5}{2},4)

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