Solve the problem.A salesperson gets a commission of $800 for the first $10,000 of sales, and then $400 for each additional $10,000 or fraction of $10,000 of sales. Let 
represent the commission on x dollars of sales. Find the value of 
A. $3800
B. $4600
C. $4200
D. $4400
Answer: D
Mathematics
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Use implicit differentiation to find the specified derivative at the given point.Find 
at the point (2, 1) for ln x + xy2 + ln y = 0.
A. -1
B. 
C. 1
D. - 
Mathematics
Simplify.(-2a7b4)3
A. -8a21b12 B. 8a21b12 C. 8a10b7 D. -8a10b7
Mathematics
Provide an appropriate response.A point is 1 percent of the amount of the loan.
A. True B. False
Mathematics
Provide an appropriate response.Multiply and simplify: (a + b)(a - b)(2a + b)
What will be an ideal response?
Mathematics