Add or subtract. Simplify the answer.
+ 
A. 
B. 
C. 
D. 
Answer: B
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Find the limit of the sequence or determine that the limit does not exist.an = 
n
A. e B. e4 C. does not exist D. 1
Solve the problem.Use the tables to find (f + g)(-2).
A. -7 B. 0 C. 14 D. 1
Set up the percent proportion, and write "unknown" for the value that is not given. Recall that the percent proportion is 
= 
. Do not try to solve for any unknowns.What is 7% of 87?
A. 
= 
B. 
= 
C. 
= 
D. 
= 
Solve the problem.Suppose that the demand and price for a certain model of graphing calculator are related by 
where p is the price (in dollars) and q is the demand (in hundreds). Find the demand for the calculator if the price is $40. Round to the nearest whole number if necessary.
A. 13 calculators B. 19,600 calculators C. 327 calculators D. 1307 calculators