The number of cakes needed for a party, c, is dependent upon the number of guest at the party, g. which equation shows the number of cakes as a function of the number of guest?
a. f(c) = g/12
b. f(g)=g/
c. f(c)=c/12
d. f(g)=c/12

Charlie is at an amusement park that has 18 different rides. each ride costs $1.75. the function c(r) = 1.75r represents the total amount of money that charlie will spend if he goes on r rides, but he never goes on the same one more than once. what domain and range are reasonable for the function?