Marcus ran in a race over the weekend and ran 4 kilometers in 20 minutes. Choose all of the unit rates below that represent the problem. For each unit rate you choose, explain it in the context of the problem in the text box below.

Harry’s soccer team plays 2 nonconference games for every 3 games that they play against conference opponents. if y represents the number of nonconference games and x represents the number of conference games, which equation best models this proportional relationship? a)y=2/3 x b)y=3/2 x c)y = 2x d)y = 6x

F(x)= 1/x-4, g(x)=4x+1/x a. use composition to prove whether or not the functions are inverses of each other. b. express the domain of the compositions using interval notation.

Average acceleration: i have no idea how to do this.