Solve the problem.If 
= 7x + 6, find P(x).
A. 15x2 + 13x - 30
B. 56x2 + 13x + 13
C. 15x2 + 13x + 13
D. 56x2 + 13x - 30
Answer: D
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Sketch the graph of the rational function.f(x) = 
A. 
B. 
C. 
D. 
Solve the problem.A drug company establishes that the most effective dose of a new drug relates to body weight as shown below. Let body weight be the independent variable and drug dosage be the dependent variable. Use a graphing utility to draw a scatter diagram and to find the line of best fit. What is the most effective dosage for a person weighing 130 lbs? 
A. 22.3 mg B. 14.24 mg C. 13.07 mg D. 14 mg
Write an equation for a function whose graph fits the given description.The graph of f(x) = x4 shifted right 7 units and up 5 units.
A. y = - (x - 7)4 + 35 B. y = (x - 7)4 + 5 C. y = (x + 7)4 - 5 D. y = - (x - 7)4 + 5
Factor.3x2y5 + 18x2y4
A. y + 6 B. x2y4(3y + 6) C. 3x4y2(y + 6) D. 3x2y4(y + 6)