What is the substitute of "x=y"?

Adiverr from the university of florida women’s swimming and diving team is competing in the ncaa zone b championships

Acompany produces packets of soap powder labeled “giant size 32 ounces.” the actual weight of soap powder in such a box has a normal distribution with a mean of 33 oz and a standard deviation of 0.7 oz. to avoid having dissatisfied customers, the company says a box of soap is considered underweight if it weighs less than 32 oz. to avoid losing money, it labels the top 5% (the heaviest 5%) overweight. how heavy does a box have to be for it to be labeled overweight?

If f(x) = 2x + 8 and g(x) = x4, what is (gº)?