F=6,3 5,4 4,5 3,62,7 is this a function

Which expression is equivalent to7_/x^2 ÷ 5_/y^3? assume y# 0

If 24 people have the flu out of 360 people, how many would have the flu out of 900. choose many ways you could use proportion that david would use to solve this problem

Which of the following is true for the relation f(x)=2x^2+1