If f(x) and its inverse function, f-1 (x), are both plotted on the same coordinate plane, where is their point of intersection?

Fredrick designed an experiment in which he spun a spinner 20 times and recorded the results of each spin

Which elements in the set below are integers? 12, –3⁄4,√ 25 , –7, √ 5 , 14⁄7, 9 a. 12, √ 25 , –7, 9 b. 12, √ 25 , –7, 14⁄7, 9 c. –3⁄4, 25 , √ 5 ,14⁄7 d. 12, –7, 9

What’s the answer ? use the picture to see the problem