Help?
A)not enough information
B) 82
C)90

Show algebraically that f and g are inverse functions f(x)=x^2/-6; g(x)=square root of 2x+12

98 point question what is the record for most points in one

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?