Multiply and simplify. Assume that all variables represent positive real numbers.
(
+ 
)
A. 5
+ 25
B. 35 + 25
C. 5
+ 5
D. 25
+ 5
Answer: C
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Write a chain rule formula for the following derivative.
for w = f(p, q); p = g(x, y), q = h(x, y)
A. 
= 
B. 
= 
+ 
C. 
= 
+ 
D. 
= 
+ 
Solve the problem.The Mathematics Department is holding an election for department chair. Each member ranks the candidates from first to third. The preference table below shows the results of the ballots with candidates Clark (C), Jones (J), and Smith (S). 
A second election is then held resulting in the following preference table: 
If the plurality with elimination method is used to determine the winner, is the montonicity criterion satisfied?
A. Yes B. No
Use the properties of logarithms to simplify the expression.
ln (9t4) - ln 3
A. ln (t2)
B. ln 
C. ln (3t2)
D. ln 3(t2 - 1)
Solve the problem.A rock falls from a tower that is 147 m high. As it is falling, its height is given by the formula 
How many seconds will it take for the rock to hit the ground 
Round to the nearest tenth, if necessary.
A. 11.9 sec B. 4410 sec C. 12.1 sec D. 5.5 sec