Acompany charges $75 for handheld computers plus a service charge of $25 per month. the following equation describes the total cost c after m months. c = 25 m + 75 which statement best describes the relationship between c and m ? a. the relationship is a linear function whose graph does not pass through the origin. b. the relationship is not a function. c. the relationship is a linear function whose graph passes through the origin. d. the relationship is a nonlinear function.