Find the indicated term of the geometric sequence.a1 = 960, r = 
; Find a4.
A. a4 = - 
B. a4 = 
C. a4 = -15
D. a4 = 15
Answer: D
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Write the number in standard form a + bi.
A. 2 + i
B. 2 - i
C. 2 - i
D. 2 + i
Solve the equation.
- 
= 1
A. {3} B. {-3, -1} C. ? D. {3, -1}
Simplify the expression.8a - 5a + 3
A. -3a + 3 B. 3a + 3 C. 6a D. Cannot be simplified
The average student enrolled in the 20-week Court Reporting I course at the American Institute of Court Reporting progresses according to the rule
?
; 
?
where 
measures the rate of change in the number of words/minute of dictation the student takes in machine shorthand after 
weeks in the course. Assuming that the average student enrolled in this course begins with a dictation speed of 61 words/minute, find an expression 
that gives the dictation speed of the student after 
weeks in the course.
?
A. 
B. 
C. 
D. 
E. 