Factor completely.15x4 - 26x3 + 8x2
A. x(3x + 4)(5x + 2)
B. x2(15x - 1)(x - 8)
C. (15x2 + 4)(x2 + 2)
D. x2(3x - 4)(5x - 2)
Answer: D
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Find the value of df-1/dx at x = f(a).f(x) = x3 - 12x2 - 2, x ? 8, a = 6
A. - 
B. - 
C. -36
D. - 
Solve the problem.The linear equation y = 229x + 6320 provides an approximation of the annual cost (in dollars) to rent an apartment at the Leisure Village Retirement Community, where x = 1 represents 2011, x = 2 represents 2012, and so on. Write an equation that yields the same y-values when the exact year number is entered.
A. y = 229(2010 - x) + 6320 B. y = 229(2011 - x) + 6320 C. y = 229(x - 2011) + 6320 D. y = 229(x - 2010) + 6320
Solve and write interval notation for the solution set. Then graph the solution set.18 < 5x + 3 ? 38
A. [3, 7]
B. [3, 7)
C. (3, 7]
D. (3, 7)
Solve the equation for the indicated variable.F = 
C + 32
for C
A. C = 
(F - 32)
B. C = 
(F - 32)
C. C = 
D. C = 