Point J is on line segment IK. Given JK = x + 6. IJ = 9, and IK determine the numerical length of JK.
2x,

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?