your gym membership costs $33 per month after an initial membership fee. you paid a total of $228 after 6 months.

Question

your gym membership costs $33 per month after an initial membership fee. you paid a total of $228 after 6 months. a.write an equation that gives the total cost as a function of the length of your gym membership (in months). b. find the total cost after 9 months.

Answer 1

Cost = $33 per month + Fee

 

1.  C(m) = 33m + F

 

33(6) + F = 228

198 + F = 228

F = $30 membership fee

 

C(m) = 33m + 30

 

2.  At 9 months:  33(9) + 30 = $327