According to the table below, what is the probability that the grade of a student chosen at random will be a B or higher? Grade A2/35 B13/35 C12/35 D4/35 F Probability A1/7. B.4/7 C.2/7 D.3/7

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.