Solve the inequality.x2 - 3x - 28 ? 0
A. (-?, -4]
B. [7, ?)
C. (-?, -4] or [7, ?)
D. [-4, 7]
Answer: D
Mathematics
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< ? ? 
< ?.
A. 0.1 B. 9 C. -0.1 D. 0.2
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Factor the difference of two squares completely.147x2y - 75y
A. 3y(7x + 5)2 B. 3y(7x + 5)(7x - 5) C. 3y(7x - 5)2 D. Prime
Mathematics
Find the exact value of the expression.sin 
A. 
B. 
C. 
D. 
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Use Descartes' Rule of Signs to determine the possible number of positive real zeros and the possible number of negative real zeros for the function.f(x) = -7x4 - 8x3 - 2x2 - 2x + 3
A. 0 or 2 positive; 0 or 2 negative B. 1 positive; 2 negative C. 1 positive; 1 or 3 negative D. 1 positive; 1 negative
Mathematics