The function f(x) = 5x + 3 models the total cost to purchase x tickets to a play. What is the meaning of (8)? A. It costs $43 to purchase 8 tickets to the play.
B. It costs $61 to purchase 8 tickets to the play.
C. The Ost of each ticket to the play is $5.
D. The cost of each ticket to the play is $8.

Period is the time it takes for one “cycle” to complete. in the parent sine function, period is 2*pi since sin(0) = 0, sin(pi/2) = 1, sin(pi) = 0, sin(3pi/2) = -1, and sin(2pi) = 0. at that point, the sequence repeats itself. i’m not sure if your graph is similar to the sine function since you didn’t provide a picture, but you can find the period by looking at a graph.