Question 4 (5 points) Which of the following relations represents a function? None of these {(-2, 4), (-1.0), (-2.0), (2, 6)} No. 3), (0. –3), (-3.0), (3, 0); -1-1), (0, O. (2.2) (5.5)

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?

[10 points, algebra 2]according to my answer key the restrictions are -1 and 4. but why not positive 1?

Aculinary club earns $1360 from a dinner service. they sold 45 adult meals and 80 student meals. an adult meal costs twice as much as a student meal. what is the cost of an adult meal?