Step Statements
Reasons
1
6x - 9 = 45
given
2
6x - 9 + 9 = 45 +9
3
6x = 54
4
5
X = 9
addition property of equality
subtraction property of equality
multiplication property of equality
division property of equality
simplification

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?