Set up the general equation from the given statement.D varies directly as r and is inversely proportional to 
.
A. D = kr + 
B. D = 
C. D = krt
D. D = k(r + t)
Answer: C
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Decide whether the statement is true or false. If it is false, tell why.The equation (5x - 6)2 = -33 has two real number solutions.
A. True B. False; the equation has no real number solutions. C. False; the equation has one real number solution.
Solve the problem.An object is propelled vertically upward from the top of a 288-foot building. The quadratic function 
models the ball's height above the ground, 
in feet, t seconds after it was thrown. How many seconds does it take until the object finally hits the ground? Round to the nearest tenth of a second if necessary.
A. 2 seconds B. 9.8 seconds C. 1.8 seconds D. 4 seconds
Solve the problem.How many ways can a president, vice-president, and secretary be chosen from a club with 11 members? Assume that no member can hold more than one office.
A. 33 B. 6 C. 165 D. 990
Find the partial fraction decomposition for the rational expression.
A. 2x - 5 + 
+ 
B. 2x + 5 + 
+ 
C. 2x - 5 - 
+ 
D. 2x + 5 - 
+ 