Question

Let f: R → R be defined by f(x) = sin x and g: R → R be defined by g(x) = x 2 , then f o g is ______.

Options

• x² sin x

• (sin x)²

• sin x²

• `sinx/x^2`

Answer 1

Let f: R → R be defined by f(x) = sin x and g: R → R be defined by g(x) = x² , then f o g is sin x².