Question

If (7,2) is an ordered pair of the function f(x), which of the following must be an ordered pair of the inverse of f(x)?

A. (7,7)
B. (2,2)
C. (2,7)
D. (7,2)

Answer 1

the inverse is basically switc x and y

so if (a,b) is a point on f(x), then (b,a) is on th inverse

(7,2) is on it so on inverse, (2,7) has to be on it


C

Answer 2

D. (7,2) is the answer i think