Factor.4x3 + 4x2 - 80x
A. 4x(x - 4)(x + 5)
B. (4x2 + 16x)(x - 5)
C. (4x2 + 16)(x - 5)
D. 4x(x + 4)(x - 5)
Answer: A
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The following table shows the gross national product G, in trillions of dollars, t years after 2005. Use the regression line for the data to estimate the gross national product in 2013. t 0 1 3 5 G 12.76 13.54 14.29 14.66? ?
A. 15.95 trillion dollars B. 16.55 trillion dollars C. 17.80 trillion dollars D. 18.35 trillion dollars
Determine the coordinates of the indicated point on the graph. 
L
A. (2, 
)
B. (-2, 
)
C. (
, -2)
D. (
, -2)
Find the perimeter.
A. 58 cm B. 65 cm C. 50 cm D. 46 cm
Solve the problem.P(x) = -x3 + 
x2 - 60x + 100, x ? 5 is an approximation of the total profit (in thousands of dollars) from the sale of x hundred thousand tires. Find the number of hundred thousands of tires that must be sold to maximize profit.
A. 5.5 hundred thousand B. 5 hundred thousand C. 4.5 hundred thousand D. 4 hundred thousand