Someone please help me with this

C

Step-by-step explanation:

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

y = + 7 ( subtract 7 from both sides )

y - 7 = ( take the fourth root of both sides )

= x

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

g(x) = , x ≥ 7

step-by-step explanation:

one of the most important purposes of surface treatment is to alter surface properties according to the requirement of specific applications. for example, hydrophobic coating has been utilized on windshield and eyeglasses. gold atom monolayer on substrate has become a popular surface bioconjugation strategy.