Solve the problem.Write a polynomial that represents the area of the shaded region.
A. 61x2 + 9
B. 64x2 - 3x - 9
C. 61x2 - 9
D. 67x2 - 9
Answer: C
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Perform the indicated operation.(5x3 + 9x5 - 3 - 3x4) - (-2 - 5x4 + 6x5 + 9x3)
A. 15x5 - 8x4 + 14x3 - 5 B. 3x5 - 8x4 + 14x3 - 5 C. 15x5 - 8x4 + 14x3 - 1 D. 3x5 + 2x4 - 4x3 - 1
Simplify by combining like terms.-10xy + 4xy
A. -6x2y2 B. 14xy C. -6 + xy D. -6xy
Express as a sum of logarithms.logx 4yz
A. (logx 4)(logx y)(logx z) B. logx (4 + y + z) C. logx 4 + logx y + logx z D. log4 y + log4 z
Solve the problem.A beverage wholesaler wants to create a new punch. He will mix fruit juice worth $5 a gallon and rum worth $10 a gallon. He wants to obtain 135 gallons of punch worth $7 a gallon. How much of each beverage should he use?
A. 94.5 gal of juice; 40.5 gal of rum B. 81 gal of juice; 54 gal of rum C. 108 gal of juice; 27 gal of rum D. 121.5 gal of juice; 13.5 gal of rum