3.
a 500-foot roll of fencing will be used to enclose a rectangular play pen for pets.
which equation could not be used to find the possible length, 1, and width, w, of the
play pen?
a. 500 = 2lw
500 = 1 + w
c. 2(1 + w) = 500
500 = 21 +2w

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.