Let AABC=ADEF with A (5,7), B (12, 9) and C (12, -2). ABC is mapped onto ADEF by a series of rigid transformations, consisting first of a reflection
about segment BC, then a translation. If D is located at the origin, what are the
coordinates of E and F?
(-7,2)
(-2,7)
(12,7)
(-7-9)
(9.7)
(2, 12)

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?