Plzzz helppp ! what is the value of p(15)?

How do i get the answer for 2/3 * 10/3

Afunction is given: f(x)=3x+12 a. determine the inverse of this function and name it g(x) b. use composite functions to show that these functions are inverses. c. f(g(– explain: what is the domain?

The parabola y = x² - 4 opens: a.) up b.) down c.) right d.) left