(A) −6
(B) −4
(C) −3
(D) 3
(E) 6
3 . If x ≥ 4, A^2 = x^2 + 12x + 36, and B^2 = 4x^2 − 28x + 49, then (A + B)^2 =
(A) 2 x^2 + 5x + −42
(B) 3 x^2 − 9x − 1
(C) 4 x^2 − x + 13
(D) 5 x^2 − 26x + 85
(E) 9 x^2 − 6x + 14 .
f(64) =(A) 48
(B) 128
(C) 256
(D) 1,204
(E) 2,3045 . A circle with center (3,8) contains the point (2,−1). Which of the following is also a point on
the circle?
(A) (1,−10)
(B) (4,17)
(C) (5,−9)
(D) (7,15)
(E) (9,6)