Match the point in polar coordinates with either A, B, C, or D on the graph.
A. A
B. B
C. C
D. D
Answer: B
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Solve f(x) = g(x). Find the points of intersection of the graphs of the two functions.f(x) = x2 - 11x + 24g(x) = 2x2 - 12x + 18
A. x = - 
, x = 
B. x = - 
, x = 
C. x = 3, x = -2
D. x = 
, x = -2
Find the center and radius of the circle by completing the square.x2 + y2 - 18x - 8y + 72 = 0
A. (-4, -9); r = 25 B. (4, 9); r = 5 C. (-9, -4); r = 25 D. (9, 4); r = 5
Find the limit.
A. ?
B. 1
C. - 
D. 
Dye dilution is a method of measuring cardiac output. If A mg of dye is used and c(t) is the concentration of the dye at time t, then the cardiac output over the time interval [0, T ] is given by 
Find the cardiac output over the time interval [0, 15] if the dye dilution method is used with 10 mg of dye and the dye concentration, in mg/L, is modeled by 
where t is measured in seconds.
a. 0.029 b. 0.039 c. 0.026 d. 0.044 e. 0.036 f. 0.020