Solve the problem.The graph of y = f(x) in the accompanying figure is made of line segments joined end to end. Graph the derivative of f.
A. 
B. 
C. 
D. 
Answer: D
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Graph the solution of the quadratic inequalities on a number line and write the solution in interval notation. x2 - 5x ? -6
A. [3, ?)
B. (-?, 2]
C. [2, 3]
D. (-?, 2] ? [3, ?)
Determine the coordinates of the points shown. Tell in which quadrant the point lies. Assume the coordinates are integers.
A. (-4, 6); quadrant II B. (-4, 6); quadrant I C. (-4, 3); quadrant II D. (-4, 3); quadrant I
Simplify.-
A. 0.05 B. -0.5 C. does not exist as a real number D. -0.05
Solve the problem.
The function f computes the annual interest paid on savings of x dollars with an interest rate of 9%. The graph of f and the horizontal line 
are shown in the figure. Determine the savings amounts that result in (i) an annual interest less than $3.15 and (ii) an annual interest of $3.15 or more.
A. Between $5 and $35; $35 or more B. $35 or less; between $35 and $40 C. $35 or more; $35 D. Between $0 and $35; $35 or more