Question

Given f(x) = -4x + 7 and g(x) = x3, choose
the expression for (fºg)(x).

Answer 1

Solution,

Given,

f(x) = -4x + 7

g(x) =
`x^(3)`

Now,

fog(x) = f{g(x)} = f(
`x^(3)`) = -4
`x^(3)`+7