Find two numbers that multiply to -16 and add to -6 O -16
O -8
O -4
O -2
O -1
O 1
O 2
O 4
O 8
O 16​

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?