The registration at a preschool is $125. Then, parents must also pay $475 per month for tuition. Write an equation to represent the total cost after each month. Using the story problem in questions 4-5, write an equation in slope-intercept form to represent the total cost after each month. a. C(x)=125+475x b. C(x)=475x+125 c. C(x)=125x+475 d. C(x)=125+475