Which ordered pair(s) satisfy the function f(x) = -x +2? Select all that apply.
A. (-1,1)
B. (-1,-1)
C. (-2,-2)
D. (2,-2).
E. (-22)
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a

Sophia wrote an equation to represent the revenue of a movie theater for one day. she let x represent the number of child tickets sold and y represents the nunver of adult tickets sold. if a child ticket cost $4, an adult ticket cost $6, and the total revenue for the daybwas $420, which equation could sophia use to represent the number of chikd and adult tickets that were sold?