Find the range of the function.f(x) = 8x2 + 112x + 382
A. (-?, -7]
B. [0, ?)
C. (-?, 0]
D. [-10, ?)
Answer: D
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Solve the problem.If the rectangle below is a golden rectangle(with 2x as the shorter side), then the approximate value of x is
A. 161.8. B. 377. C. 261.8. D. 188.5. E. none of these
Solve the equation by factoring.3x2 + 10x = 10(x + 30)
A. {-100, 100} B. {100} C. {-10, 10} D. {10}
Solve the problem.Northwest Molded molds plastic handles which cost $0.30 per handle to mold. The fixed cost to run the molding machine is $2227 per week. If the company sells the handles for $1.30 each, how many handles must be molded and sold weekly to break even?
A. 1391 handles B. 7423 handles C. 2227 handles D. 1484 handles
Change the decimal into a proper fraction or mixed number. Simplify if necessary. 87.785
A. 
B. 17
C. 87
D. 175