If A and B are matrices of the same order, then
cA + cB is (equal to or not equal to) c(B + A) and
cA − cB is (equal to or not equal to) c(B − A).

Those are the two options

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?