Exercises 31 38 Determine if f is a linear or nonlinear function If f is a linear function determine if f is a constant function Support your answer by graphing f 31 f x 22x 5 32 f x 3x 2 33 f x 1 34 f x 2 35 f x x 1 36 f x 2x 11 37 f x x 1 38 f x x 1