For a differentiable function

MATHEMATICS · Subjective · AP · Calculus AB · Analytical Applications of Differentiation · Analytical Applications of Differentiation

Problem

For a differentiable function ff, the sign of its derivative is recorded as follows: (−∞,−2):+(-\infty,-2):+, \; x=−2:0x=-2:0, \; (−2,1):−(-2,1):-, \; x=1:0x=1:0, \; (1,∞):+(1,\infty):+. a) State the interval(s) on which ff is strictly increasing. b) State the interval(s) on which ff is strictly decreasing.

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