The graph of the function f(x) is shown to the right. 80 (a) Evaluate f( 120). (b) Solve: f( ?) = 10. 70- (a) Evaluate f( 120). 60- f(120) = Number 50- 40 (b) Solve: f( Number ) = 10. 30- 20 10- 0+ 0 20 40 60 80 100 120