CBSE Class 12 Mathematics Relations and Functions Q #2148
KNOWLEDGE BASED
REMEMBER
3 Marks Generic-Curriculum SA
Let $A = \{-1, 0, 1, 2\}$, $B = \{-4, -2, 0, 2\}$ and $f, g : A \to B$ be functions defined by $f(x) = x^2 - x, x \in A$ and $g(x) = 2 \left| x - \frac{1}{2} \right| - 1, x \in A$. Are $f$ and $g$ equal? Justify your answer.
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