True or False The graph changes sign at

MATHEMATICS · Subjective · GCSE · Mathematics · Algebra · Algebra

Problem

66. True or False The graph r(x)=2x−1(x+2)(x−1)r(x)=\frac{2 x-1}{(x+2)(x-1)} changes sign at x=−2x=-2. Justify your answer.

Related theory

Browse the problem library