Question

Given f(x) = 2x2 + 3and g(x) = 4x - 5, thecomposition f(g(x)) is equal to 32x2 – 80x + 53.Now find an expression for gfx)).gfx)) =12.+

Answer 1

Ok, we need to make the composition of g(f(x))

So, let's do it:

`g(f(x))=4(2x^2+3)-5`

Working we get:

`=8x^2+12-5`
`=8x^2+7`