Given: F(x) = 2x 2 + 1, G(x) = 2x - 1, H(x) = x

G -1 (x) =

Is a positive integer raised to a negative power always positive

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?

David leaves his house to go to school. he walks 200 meters west and 300 meters north. how far is david from his original starting point?