Which functions have a removeable discontinuity? Check all that apply. O
f(x) =
X-8
x2 - x-56
f(x) =
x + 3
x2 + x-1
x + 7
f(x) =
x2 - 49
0
x²-36
f(x) =
x + 6
f(x) =
X + 2
f(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?