Soda is on sale for $0.75 a can, and you have a coupon for $0.50 off your total purchase. Write a function rule for the cost of n sodas. How much would 10 sodas cost?

(1 point)
Responses

C(n) = 0.5n – 0.75; $4.25
C ( n ) = 0.5 n – 0.75; $4.25

C(n) = 0.75n – 0.5; $7.00
C ( n ) = 0.75 n – 0.5; $7.00

C(n) = 0.5n – 0.5; $4.50
C ( n ) = 0.5 n – 0.5; $4.50

C(n) = 0.75n; $7.50