Simplify, if possible, by combining like terms.-8xy2 - 5x2y
A. 40xy2
B. -13x2y
C. -13xy2
D. Cannot be simplified
Answer: D
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Provide an appropriate response. Solve the following quadratic by factoring: 2x2 -- 6x = 0.
A. x = -3 B. x = 0, -3 C. x = 3 D. x = 0, 3
Solve the problem.The Cool Company determines that the supply function for its basic air conditioning unit is 
and that its demand function is 
, where p is the price. Determine the price for which the supply equals the demand.
A. $22.86 B. $21.86 C. $21.36 D. $22.36
Write an equation for a function whose graph fits the given description.The graph of f(x) = x2 is shifted 6 units to the left and 2 units downward.
A. y = (x + 2)2 - 6 B. y = (x - 6)2 - 2 C. y = (x + 6)2 - 2 D. y = (x - 2)2 + 6
Solve the problem.The rates of death (in number of deaths per 100,000 population) for 1-4 year olds in the United States between 1980-1995 are given below. (Source: NCHS Data Warehouse) 
A logarithmic equation that models this data is y = 822.99 - 167.55 ln x where x represents the number of years since 1900. Use this equation to predict the rate of death for 1-4 year olds in 2005.
What will be an ideal response?