For f (x) = 24-2x, find f (2) and find x such that f (x) = 10

F (2) = 20

f (10) = 4

for each f (x) when it says find f of a number like f (2) just plug that number into the x that is in the regular equation.

example - f (x) = 24-2x find f (2) - - - 24-2 (2) = 20