Solve. Provide answers in interval notation.(a - 1)(a - 3)(a - 6) > 0
A. (-?, 3)
B. (6, ?)
C. (1, 3) ? (6, ?)
D. (-?, 1) ? (3, 6)
Answer: C
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Estimate the slope of the curve at the indicated point.
A. 0 B. Undefined C. -1 D. 1
Find the coordinates of the centroid of the given figure. Each region is covered by a thin, flat plate.The region enclosed by the parabolas y = - x2 + 32 and y = x2
A. (0, 32)
B. 
C. (16, 0)
D. (0, 16)
Translate the problem to a system of equations, then solve using matrices.Mardi received an inheritance of $70,000. She invested part at 10% and deposited the remainder in tax-free bonds at 8%. Her total annual income from the investments was $6400. Find the amount invested at 10%.
A. $63,600 B. $20,000 C. $40,000 D. $39,000
Factor the polynomial completely. If the polynomial cannot be factored, write "prime."384 - 6x2
A. prime B. 6(x - 8)2 C. 6(x + 8)(x - 8) D. 6(8 + x)(8 - x)