What is the value of x?

This is fractions casey shared a pizza with some friends.they each ate 1 third of the pizza. how many people shared the pizza

The solution set for 5v2 – 125 = 0 is

5. (04.07)which of the following exponential functions goes through the points (1, 12) and (2, 36)? (2 points)f(x) = 3(4)^xf(x) = 4(3)^-xf(x) = 3(4)^-xf(x) = 4(3)^x