Answer:
Given
f : A B and g : A
B defined
As
f(x) = x2 ? x and g(x) = 2
f(?1)
= (?1)2 ? (?1) = 2; g(?1)
Here
f(0) = 02 ? 0 = 0; g(0)
=
1 ? 1 = 0
f(2)
= 22 ? 2 ; g(2) = 2
Clearly
f(?1) = g(?1); f(0) = g(0); f(1) = g(1) and g(2) =g(2).
.
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