If the sequence is geometric, find the common ratio r. If the sequence is not geometric, say so.81, -27, 9, -3, . . .
A. -3
B. - 
C. - 
D. 
Answer: C
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The initial value of one function is 31. It has a constant percentage growth rate of 9%. The initial value of a second function is 113. It has a constant percentage decay rate of 10%. If t is the independent variable for both functions, for what value of t are the two functions equal? Round your answer to two decimal places if necessary. ?
A. 
B. 
C. 
D. 
Find the following root if it exists.-
A. -6 B. This root does not exist as a real number C. 10.645 D. -36
Solve the problem.A normal line to the paraboloid 
also passes through the point 
Find the point on the paraboloid that the normal line passes through.
A. (2, 5, 86) B. (2, 86, 5) C. (5, 38, 2) D. (5, 2, 38)
Solve the problem.At a state fair truck pull, two pickup trucks are attached to the back end of a monster truck as illustrated in the figure. One of the pickups pulls with a force of 1600 pounds and the other pulls with a force of 3800 pounds with an angle of 45° between them. With how much force must the monster truck pull in order to remain unmoved? HINT: Find the resultant force of the two trucks. Round to the nearest tenth. 
A. The truck must pull with a force of 2416.9 lb. B. The truck must pull with a force of 5059.5 lb. C. The truck must pull with a force of 2898.5 lb. D. The truck must pull with a force of 4799.8 lb.