Solve the problem.A salesperson gets a commission of $1600 for the first $10,000 of sales, and then $800 for each additional $10,000 or partial of sales. Let S(x) represent the commission on x dollars of sales. Find the value of S(75,000).
A. $6000
B. $7200
C. $7600
D. $6800
Answer: B
Mathematics
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Solve the equation 
. Round your answer to two decimal places.
?
A. There is no solution.
B. 
C. 
D. ?
Mathematics
Evaluate the line integral of f(x,y) along the curve C.f(x, y) = x, C: y = x2, 0 ? x ? 
A. 63
B. 
C. 
D. 21
Mathematics
Solve the problem.An open box is to be made from a rectangular piece of tin by cutting two inch squares out of the corners and folding up the sides. The volume of the box will be 100 cubic inches. Find the dimensions of the rectangular piece of tin.
A. 5 in. by 10 in. B. 5 in. by 9 in. C. 4 in. by 9 in. D. Not enough information
Mathematics
Use a Taylor series to approximate the value of the expression to four decimal places. 
A. 0.8455 B. 0.1547 C. 0.2654 D. 0.2912
Mathematics