A function is composed of two straight-line segments: one from to and the other from to
MATHEMATICS · Subjective · CBSE · Mathematics · Applications of Derivatives · Applications of Derivatives
Problem
A function f is composed of two straight-line segments: one from (0,1) to (2,5) and the other from (2,5) to (5,−1). State the constant value of f′ on each open interval 0<x<2 and 2<x<5, and give the single x-value at which f′ changes sign.