Multiply and, if possible, simplify.
? 
A. 1
B. 
C. 
D. -1
Answer: B
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Solve the problem.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profit and x the number of hotdogs. How many hotdogs must he sell to earn the most profit?
A. 33 hotdogs B. 49 hotdogs C. 32 hotdogs D. 24 hotdogs
Use logarithmic differentiation to find the derivative of y.y = 
A. 
B. 
(ln x + ln(x + 8) - ln(x4 + 7))
C. 5
D. 
+ 
- 
Determine whether there is sufficient information for solving a triangle, with the given combination of angles and sides, by the law of sines.A, c, and a
A. Yes B. No
Solve the problem.In 1999 the stock market took big swings up and down. A survey of 970 adult investors asked how often they tracked their portfolio. The table shows the investor responses. What is the probability that an adult investor tracks his or her portfolio daily? 
A. 25.46% B. 27.32% C. 28.87% D. 24.02%