Solve the problem.Suppose the sales of a particular brand of appliance satisfy the relationship 
, where S represents the number of sales in year x, with 
corresponding to 1982. Find the number of sales in 1990.
A. 14,350 sales
B. 7090 sales
C. 14,520 sales
D. 7260 sales
Answer: D
Mathematics
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Find the limit and determine if the function is continuous at the point being approached.
cos 
A. Does not exist; no B. 1; no C. Does not exist; yes D. 1; yes
Mathematics
Solve the problem.How much pure acid should be mixed with 4 gallons of a 50% acid solution in order to get an 80% acid solution?
A. 2 gal B. 10 gal C. 16 gal D. 6 gal
Mathematics
Determine whether the relation is also a function.{(-7, 5), (-5, -9), (-1, 4), (3, 2)}
A. yes B. no
Mathematics
Write the fraction in simplest form.
A. 
B. 
C. 
D. 
Mathematics