What’s the equation?

For which pair of functions is (gof)(a)=|a|-2?

Graph the equationy=x^2 -[tex]y = x^{2} - 2[/tex]

Aclothing designer is selecting models to walk the runway for her fashion show. the clothes she designed require each model’s height to be no more than y inches from 5 feet 10 inches, or 70 inches. which graph could be used to determine the possible variance levels that would result in an acceptable height, x?