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
