Solve the equation.2x2 = 8
A. ±2
B. -2
C. 2
D. 4
Answer: A
Mathematics
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Graph the function.y = 
cos 
A. 
B. 
C. 
D. 
Mathematics
Factor the trinomial, if possible.(x + 4y)2 + 6(x + 4y) + 9
A. (x + 4y - 3)(x - 4y + 3) B. (x - 4y + 3)2 C. (x + 4y + 3)2 D. (x + 4y - 3)2
Mathematics
Find the domain of the given function.f(x) = 
A. (3.74165739, ?) B. (-?, ?) C. (-?, 14) ? (14, ?) D. [3.74165739, ?)
Mathematics
Solve the equation.1 - 
= 
A. 
B. 
C. 
D. 
Mathematics