If f (x) = - x+12, find f (2) and give the ordered pair.

F (x) is basically the output or y

so f (x) = - x+12 is like y=-x+12

(x, y) is an ordered pair

so when x=2 y=f (2), evaluate to find it

f (2) = - 2+12

f (2) = 10

y=10

so when x=2, y=10

so

(2,10) is the orderd pair