Factor by grouping.20x6 + 7x3 - 6
A. 20(x3 - 2)(x3 + 3)
B. (4x3 + 1)(5x3 - 6)
C. (5x3 + 2)(4x3 - 3)
D. (4x3 + 3)(5x3 - 2)
Answer: D
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Find the flux of the vector field F across the surface S in the indicated direction.F = 3x2j - z2k; S is the portion of the parabolic cylinder y = 9x2 for which 0 ? z ? 1 and -2 ? x ? 2; direction is away from the y-z plane
A. 48 B. - 16 C. -48 D. 16
Solve the problem.If p > 0 and q > 0, what can be said about the convergence of 
?
A. Always diverges B. May converge or diverge C. Always converges
Add. Do not use a number line except as a check.411 + (-40) + 42 + (-325) + (-40) + 455
A. -1313 B. 503 C. 583 D. -503
Write the opposite of the polynomial and simplify your result.-8x3 + 4x2 + 15
A. 8x3 - 4x2 - 15 B. -8x3 + 4x2 + 15 C. -8x3 - 4x2 - 15 D. 8x3 - 4x2 + 15