Solve.John owns a hotdog stand. He has found that his profit is represented by the equation 
with P being profits and x the number of hotdogs sold. How many hotdogs must he sell to earn the most profit?
A. 45 hotdogs
B. 31 hotdogs
C. 22 hotdogs
D. 32 hotdogs
Answer: B
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Find the function value.Let f(x) = 
. Find f
.
A. 
B. 
C. - 
D. - 
Solve the problem.A flutist played 380 notes in a concert correctly. If this represents 95% of the total number of notes she played, how many notes did she play in the concert?
A. 400 B. 800 C. 600 D. 200
Solve the problem.In a Psychology class, the students were tested at the end of the course on a final exam. Then they were retested with an equivalent test at subsequent time intervals. Their average scores after t months are given in the table.
Using a graphing utility, fit a logarithmic function y = a + b ln x to the data. Using the function you found, estimate how long will it take for the test scores to fall below 84%. Express your answer to the nearest month.
A. 20 months B. 8 months C. 12 months D. 10 months
Find the distance between the pair of points. Where appropriate, give an approximation to three decimal places.(2, -5) and (4, -1)
A. 2
? 4.472
B. 12
C. 12
? 20.785
D. 2