For the given pair of variables determine whether a is a function of b, b is a function of a, both, or neither.a is the savings account number of a customer at a bank, and b is the number of years the account has been active.
A. b is a function of a
B. Both
C. Neither
D. a is a function of b
Answer: A
Mathematics
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Are the sets equal?{12, 14, 16, 18, 20} = {14, 16, 18, 20}
A. Yes B. No
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Find the exact value of the expression or state that it does not exist.cos-1
A. 
B. 
C. 
D. 
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Add or subtract as indicated. Write the answer in simplest form.
+ 
A. 
B. 
C. 
D. 
Mathematics
Graph shows the number of sports utility vehicles 
sold in the United States. 
represents sales in year t in thousands of vehicles. Find
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?
?
A. 250
B. 500
C. 400
D. 450
E. 550
Mathematics