Which exponential function is represented by the values in the table?
o FX) = 1/2 (4)^x
Of(x) = 4(4)^x
O f(x) = 4(1/2)^x
O f(x) = 1/2 (1/2)^x

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?