45 . If f(x) = sin (arctan x), g(x) = tan (arcsin x), and , then
(A) 0.314
(B) 0.354
(C) 0.577
(D) 0.707
(E) 0.866
46 . If what is the smallest integer x such that f(x) < 0.000005?
(A) 7
(B) 8
(C) 9
(D) 10
(E) 11
47 .
Figure 7In Figure 7, point O has coordinates (0,0), point P lies on the graph of y = 6 − x^2 , and point B
has coordinates . If OP = BP, the area of triangle OPB is