Question

Someone please help me with this

Answer 1

C

Explanation:

let y = f(x) and rearrange making x the subject, that is

y =
`x^(4)` + 7 ( subtract 7 from both sides )

y - 7 =
`x^(4)` ( take the fourth root of both sides )

`\sqrt[4]{y-7}` = x

Change y back into terms of x where x is g(x)

g(x) =
`\sqrt[4]{x-7}` , x ≥ 7