If f : R → R and g : R → R are given by f(x) = sinx and g(x) = – InterviewSolution

1.

If f : R → R and g : R → R are given by f(x) = sinx and g(x) = 5x2, find gof(x).

Answer»

Given f : R → R and g : R → R defined by f (x) = sinx and g(x) = 5x²

∴ gof(x) = g [f(x)] = g (sinx) = 5 (sinx)² = 5 sin²x

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