Factor as completely as possible. If unfactorable, indicate that the polynomial is prime.4x2 + 81
A. (2x + 9)2
B. (2x - 9)2
C. Prime
D. (2x + 9)(2x - 9)
Answer: C
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Choose the ordered pair which is a solution of the inequality.2x + 3y < 5
A. (1, 1)
B. (2, 2)
C. 
D. (3, 2)
Solve the problem.Find an equation of a parabola that contains the points (6, 2), (5, 0), and (7, 0).
A. f(x) = x2 - 24x + 60 B. f(x) = -2x2 + 20x - 70 C. f(x) = -x2 + 20x - 70 D. f(x) = -2x2 + 24x - 70
Lorimar Watch Company manufactures travel clocks. The daily marginal cost function associated with producing these clocks is
?
?
where 
is measured in dollars/unit and x denotes the number of units produced. Management has determined that the daily fixed cost incurred in producing these clocks is $130. Find the total cost incurred by Lorimar in producing the first 600 travel clocks/day.
?
A. $2,182
B. $1,970
C. $2,313
D. $2,254
Find the slope of the line containing the given points.(-3, -4) and (-3, 5)
A. 0
B. 
C. not defined
D. - 