Elaine went apple-picking to practice making apple pies for the upcoming state fair’s apple pie competition. At the orchard, she picked 60 apples. When she arrived home, she realized that 15% of them were rotten, so she had to throw those out. Write two expressions that represent the number of apples Elaine has left to make apple pies.

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.