D) C(f) = 7.45f
This function notation indicates that the total cost of tickets C is equal to 7.45 multiplied by the number of friends f.
A group of friends purchase tickets to a movie theater. The theater ticket price is $7.45 per person. Use the function notation to describe the relationship between the total coast C(f) of the tickets and the number of friends, f.
A) C(f)=f+7.45
B) f=7.45C(f)
C) C(f)=-7.45f
D) C(f)=7.45f
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