36 .
Figure 5
In Figure 5, if the area of triangle ABC is 15, what is the length of AC?
(A) 2.1
(B) 4.1
(C) 6.2
(D) 8.2
(E) 9.6
37 . Which of the following functions has a range of −1 < y < 1?
(A) y = sin x
(B) y = cos x
(C)
(D)
(E)
38 . What is the sum of the infinite series