Find the vertex of the parabola, and determine whether the parabola opens upward, downward, to the left, or to the right.y = -(x + 5)2 - 7
A. (-5, 7), up
B. (-5, -7), down
C. (5, 7), down
D. (5, -7), up
Answer: B
Mathematics
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Find the zeros of f(x), given that one zero is k.f(x) = x4 - 45x2 - 196
k = -2i
A. ±2i, ±14 B. ±2i, ±14i C. ±2i, ±7i D. ±2i, ±7
Mathematics
Find f(x) and g(x) such that h(x) = (f ? g)(x).h(x) = 
7
A. f(x) = (x4 + 4)7, g(x) = 4 - x4
B. f(x) = 
, g(x) = 
C. f(x) = 
, g(x) = x7
D. f(x) = x7, g(x) = 
Mathematics
Divide.56 / (-7)
A. -9 B. 9 C. 8 D. -8
Mathematics
Solve the inequality.42(x2 - 1) > 13x
A. 
or 
B. 
C. 
or 
D. 
Mathematics