Write the indicated term of the binomial expansion.(x + 2y)9; 4th term
A. 336x6y4
B. 336x3y6
C. 672x3y6
D. 672x6y3
Answer: D
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Find the sum, if it exists.-9 - 
- 
- 
- . . .
A. - 24
B. 
C. - 15
D. Does not exist
Use l'Hopital's Rule to evaluate the limit.
A. 
B. 0
C. 1
D. 
Solve the problem.The total sales in dollars of some small businesses fluctuates according to the equation 
, where x is the time in months, with 
corresponding to January, 
, and 
Determine the month with the least sales and give the sales in that month.
A. December; $6500 B. June; $3900 C. September; $2600 D. March; $10,400
When a college started an aviation program, the administration agreed to predict enrollments using a straightline method. If the enrollment during the first year was 12, and the enrollment during year 9 was 36, find the rate of growth per year (the slope of the line). See Illustration.
?
?
a = 36 , b = 9
?
A. m = 3 B. m = 7 C. m = 2 D. m = 4 E. none of these