Specify the domain of the function.f(x) = 2x2 + 6x - 1
A. x < 0
B. x > 0
C. x ? 0
D. All real numbers
Answer: D
Mathematics
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Find the product.(10x - 9y)2
A. 100x2 + 81y2 B. 10x2 + 81y2 C. 10x2 - 180xy + 81y2 D. 100x2 - 180xy + 81y2
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Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.x2 - 16x + 256
A. Prime B. (x + 16)(x - 16) C. (x - 16)2 D. (x + 16)2
Mathematics
Match the inequality to its graph.y < -1
A. 
B. 
C. 
D. 
Mathematics
Solve the problem.Find an equation in general form for the line graphed on a graphing utility. 
A. 2x + y = -1
B. x + 2y = -2
C. y = -2x - 1
D. y = - 
x - 1
Mathematics