150 students in a math class take the final exam. The scores on the exam have an approximately normal distribution with mean ? = 65 and standard deviation ? = 10.The third quartile of the scores on the exam is approximately
A. 67 points.
B. 80 points.
C. 84 points.
D. 72 points.
E. none of these
Answer: D
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Perform the indicated operations.(x - 5)(-4x - 10)
A. -4x2 + 8x + 50 B. -4x2 + 10x + 50 C. -4x2 + 50x + 10 D. -4x2 + 10x + 10
Graph the function.y = log3 x 
A. 
B. 
C. 
D. 
For the graph of the function y = f(x), find the absolute maximum and the absolute minimum, if it exists.
A. Absolute maximum: f(7) = 4; Absolute minimum: f(0) = 2 B. Absolute maximum: f(3) = 6; Absolute minimum: none C. Absolute maximum: f(3) = 6; Absolute minimum: f(0) = 2 D. Absolute maximum: f(3) = 6; Absolute minimum: f(5) = 1
Use an ordered pair to identify each point on the given coordinate plane. State the quadrant or axis where each point lies.
A. A(-3, 0) on the x-axis; B(6, -3) in Quadrant IV B. A(-3, 0) on the y-axis; B(-6, -3) in Quadrant III C. A(-3, 3) in Quadrant II; B(6, -3) in Quadrant IV D. A(3, 0) on the x-axis; B(6, -3) in Quadrant IV