Use graphing to factor f(x).f(x) = 3x3 - 18x2 + 9x + 30
A. (x - 1)(x + 5)(x - 2)
B. (x + 1)(x - 5)(x - 2)
C. 3(x - 1)(x + 5)(x + 2)
D. 3(x + 1)(x - 5)(x - 2)
Answer: D
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Solve the problem.A manufacturer determines that the daily cost C, in dollars, to produce x units of a product is modeled by the function C(x) = 0.1x2 - 26x + 1590. How many units can the manufacturer produce each day in order to keep the daily cost below $390?
A. More than 60 but fewer than 200 units B. Fewer than 200 units C. Fewer than 60 or more than 200 units D. More than 60 units
Find the center and radius of the the circle.x2 + y2 - 14x - 10y + 74 = 16
A. Center: (5, 7); Radius: 4 B. Center: (7, 5); Radius: 4 C. Center: (-5, -7); Radius: 16 D. (Center: -7, -5); Radius: 16
Solve the problem.The area of a rectangular piece of cardboard shown is 560 square inches. The cardboard is used to make an open box by cutting a 3-inch square from each corner and turning up the sides. If the box is to have a volume of 870 cubic inches, find the dimensions of the cardboard that must be used.
A. 19 in. by 38 in. B. 16 in. by 35 in. C. 10 in. by 26 in. D. 13 in. by 32 in.
Find an for the given geometric sequence.a5 = 
, r = 
A. an = 
? 
n
B. an = 6 ? 
n-1
C. an = 6 ? 
n
D. an = 
? 
n-1