The linear function g is defined by g x 4x a Show that g 3 and g 2 have a difference of 4 g t 4 2 X 8 4XL 3 IL 8 4 b Show that when the input value increases from x to x 1 the output values g x 1 and g x have a difference of 4 2 The exponential function h is defined by h x 4 a Show that h 3 and h 2 have a quotient of 4 b Show that when the input value increases from x to x 1 the output values h x 1 and h x have a quotient of 4