Find the domain of the composite function f ? g.f(x) = 
; g(x) = 
A. 
B. {x | x ? 2}
C. all real numbers
D. {x| x ? 2}
Answer: A
Mathematics
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Subtract.- 
A. 9.7 B. 9.77 C. 10.67 D. 9.67
Mathematics
Factor: 6x3y - 12x2y2 + 24xy3
a. 6xy(x2 - 2xy + 4y2) b. 6x2(x2 - 2x + 4y) c. 6xy2(y - x2y2 + xy) d. xy(6x2 - 12xy + 24xy2) e. xy2(6x - 12y + 24x)
Mathematics
Divide and simplify.-5x ÷ 
A. - 
B. - 
C. - 
D. - 
Mathematics
Find the center (h, k) and the radius r of the circle.2x2 + 2y2 - 8x + 16y + 22 = 0
A. (h, k) = (2, -4); r = 9 B. (h, k) = (-2, 4); r = 9 C. (h, k) = (-2, 4); r = 3 D. (h, k) = (2, -4); r = 3
Mathematics