Provide an appropriate response.Solve the quadratic inequality: (x - 5)(x + 4) > 0
A. x < -4 or x > 5
B. -4 < x < 5
C. -5 < x < 4
D. x < -5 or x > 4
Answer: A
Mathematics
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Solve the problem.Evaluate 
at (x, y, z) = (3, 4, 1) for the function u(p, q, r) = p2 - q2 - r; p = xy, q = y2, r = xz.
A. 97 B. 95 C. 23 D. 25
Mathematics
Multiply in the indicated base.
A. 3428 B. 3178 C. 3208 D. 3268
Mathematics
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.P(x) = 9x8 + 9x6 + 4x4 + 4x2 + 3
A. 0 positive; 0 negative B. 0 positive; 0 or 2 negative C. 0 or 2 positive; 0 negative D. 4 positive; 0 negative
Mathematics
Change to a percent.0.09
A. 90% B. 0.9% C. 0.009% D. 9%
Mathematics