Consider the following functions that represent cost and revenue for the band's sales of spirit mugs. f(x)=100+3x g(x)=8x a. which function represents the cost function? b. which function represents the revenue function? c. how can the functions be combined to create profit function? d. write the profit function.

Will mark brainliest for correct answer! i have been on this problem for an hour and can't find the answer. i'm begging here! incase you cant read the instructions in the picture because of too much or too little lighting: note: enter your answer and show all the steps that you use to solve this problem in the space provided. write a list of steps that are needed to find the measure of b. provide all steps as clear as possible, !