Recycled cds, inc, offers a choice of 5 used cds for $20, with each additional cd costing $6. Write a cost function 5 or more cds. What will the ocst of buying 14 cds be? Let x represent the number of cds over 5
C(x)=?

Question

Recycled cds, inc, offers a choice of 5 used cds for $20, with each additional cd costing $6. Write a cost function 5 or more cds. What will the ocst of buying 14 cds be? Let x represent the number of cds over 5
C(x)=?

anonymous · Answer

@ajspeller  thank you soooo muuch!!!!!

anonymous · Answer

@ajspeller what happened?

ajspeller · Answer

c(x) = 6(x-5) + 20

c(14) = 6(14-5) + 20
c(14) = 6(9) + 20
c(14) = 54 + 20
c(14) = 74

c(5) = 6(5-5) + 20
c(5) = 6(0) + 20
c(5) = 0 + 20
c(5) = 20

anonymous · Answer

@ajspeller ok thank you so much!