Simplify the expression.(
+ 5)(
- 5)
A. 2
B. 32
C. 7 - 2
D. -18
Answer: D
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Find the GCF for the group of monomials.14m3 and 56m8
A. 14m5 B. 784m5 C. 14m3 D. 56m3
Use implicit differentiation to find dy/dx.x3 + 3x2y + y3 = 8
A. - 
B. - 
C. 
D. 
A particle moves with position function r(t) = (21t-7t³-5)i+21t²j. Find the tangential component of the acceleration vector.
What will be an ideal response?
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