Answer this math question plz
I will mark you as a branliest

Given the graph below state whether or not the relation is a function, and give the domain and range.

Naomi’s parents want to have 50,000, saved for her college education, if they invest 20000 today and earn 7% interest compound annually, about how long will it take them to save 50 thousand

Write the expression 7x^3-28xy^2 as the product of 3 factors