Determine whether or not the function is one-to-one.f(x) = 
A. No
B. Yes
Answer: B
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Solve the problem.Audrey Graco plans to conduct book signings in several cities to promote her new novel. She wishes to visit Knoxville, Chattanooga, Chapel Hill, Charlotte, Raleigh, and Richmond. How many different ways can she visit each of these cities and return to her starting point in Wilmington?
A. 30 B. 720 C. 120 D. 29
Express as the logarithm of a single expression. Assume that variables represent positive numbers.log47 - log411
A. log4-4
B. log4
C. log4
D. log8
The American Court Reporting Institute finds that the average student taking Advanced Machine Shorthand, an intensive 20-week course, progresses according to the function 
, where Q(t) measures the number of words (per minute) of dictation that the student can take in machine shorthand after t weeks in the course. Sketch the graph of the function Q and answer the following questions:
?
a.What is the beginning shorthand speed for the average student in this course?
b.What shorthand speed does the average student attain halfway through the course?
c.How many words per minute can the average student take after completing this course?
?
A. ?
a.95 words/min
b.170 words/min
c.215 words/min
B. ?
a.85 words/min
b.160 words/min
c.205 words/min
C. ?
a.105 words/min
b.180 words/min
c.225 words/min
Find the quotient using long division.
A. -5x2 + 4x - 3 + 
B. -5x2 + 4x - 3 + 
C. -5x2 + 4x - 3
D. x2 - 3 + 