Answer:
(i)
Given
f(x)
= |x|, g(x) = |5x ? 2|
(gof)
(x) = g(f(x)) = g(|x|) = |5|x|?2|
(fog)
(x) = g(g(x)) = f(|5x ? 2|)
=
||5x ? 2|| = |5x ? 2|
(ii)
Given f(x) = 8x3 and g(x) = x1/3
(gof) (x) = g(f(x)) = g(8x3) =
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