Find a quadratic equation with integer coefficients that has the given solution set.
A. x2 - 7x - 36 = 0
B. 4x2 - 7x - 36 = 0
C. 4x2 + 11x + 36 = 0
D. 4x2 + 7x - 36 = 0
Answer: D
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Solve the problem.Consider the graph of f shown in the figure. Find the area function A(x) = 
where A(x) is the area of the shaded region, for 
and 
A. A(x) = 13(x + 9) B. A(x) = 13x + 9 C. A(x) = 13(9 - x) D. A(x) = 13(x - 9)
Find the probability.A lottery game has balls numbered 1 through 21. A randomly selected ball has an even number or a 10.
A. 
B. 
C. 
D. 10
Factor completely.24k3m - 81m4
A. 3m(2k - 3m)(4k2 + 6km + 9m2) B. 3m(8k - 3m)(k2 + 6km + 9m2) C. (6km - 9m2)(4k2 + 9m2) D. 3m(2k + 3m2)(4k2 - 6km + 9km2)
Solve the problem. Assume that simple interest is being calculated in each case. Round your answer to the nearest cent.John Lee's savings account has a balance of $441. After 27 months, what will the amount of interest be at 5.1% per year?
A. $50.61 B. $16.33 C. $22.49 D. $49.50