Factor completely. If a polynomial cannot be factored, say it is prime.12x2 + 19x + 4
A. (x + 1)(12x + 4)
B. (4x - 1)(3x - 4)
C. (3x + 1)(4x + 4)
D. (4x + 1)(3x + 4)
Answer: D
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Solve the problem.The base of the closed cubelike surface is the unit square in the xy-plane. The four sides lie in the planes 
, x = 1, y = 0, and y = 1. The top is an arbitrary smooth surface whose identity is unknown. Let 
and suppose the outward flux through the side parallel to the yz-plane is 1 and through the side parallel to the xz-plane is -5. What is the outward flux through the top?
A. 0 B. -4 C. Not enough information to determine D. 4
A recursion formula and the initial term(s) of a sequence are given. Write out the first five terms of the sequence.a1 = 1, a2 = 6, an+2 = an+1 + an
A. 1, 6, 7, 8, 9 B. 1, 1, 2, 3, 5 C. 1, 6, 7, 13, 20 D. 1, 6, 7, 14, 21
Convert the rectangular coordinates to polar coordinates. Round r to the nearest tenth, if necessary, and round ? to the nearest tenth of a degree.(15, 20)
A. (25, 36.9°) B. (35, 36.9°) C. (25, 48.6°) D. (25, 53.1°)
Tell which brand is the better buy.Brand X 20 oz for $2.80Brand Y 15 oz for $1.95
A. Equal value B. Not enough information C. Brand Y D. Brand X