Sketch the graph of the function.
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A. 
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B.
C.
D.
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Answer: B
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Solve the problem.Suppose that f has a positive derivative for all values of x and that f(2) = 0. Which of the following statements must be true of the function g(x) = 
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A. The graph of g crosses the x-axis at x = 2. B. The function g has a local minimum at x = 2. C. The graph of g has an inflection point at x = 2. D. The function g has a local maximum at x = 2.
Compute for the equation 
What will be an ideal response?
Complete the factoring.7x2y4 + 42x2y3 = 7x2y3( )
A. x2y + 6 B. 7y + 6x C. y + 6 D. y + 6x2
Solve the problem.A study was conducted to compare the average time spent in the lab each week versus course grade for computer students. The results are recorded in the table below. Use the equation of the least squares line to predict the grade of a student who spends 5 hours in the lab. Number of hours spent in lab (x) Grade (percent) (y) 10 96 11 51 16 62 9 58 7 89 15 81 16 46 10 51
A. 75.3% B. 79.3% C. 83.6% D. 80.3%