Solve the problem.The equation y = 0.002x + 0.50 can be used to determine the approximate profit, y in dollars, of producing x items. How many items must be produced so the profit will be at least $3841?
A. x ? 1,920,750
B. x ? 1,920,250
C. 0 < x ? 1,920,249
D. x ? 1,920,250
Answer: D
Mathematics
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Rewrite as a single logarithm.2logb m - 
logb n + 
logb j - 4logb k
A. logb 
B. logb 
C. logb 
D. logb (2m - 
n + 
j - 4k)
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Solve the compound inequality. Graph the solution set.7x < 35 and x + 7 > 8
A. (1, 5)
B. ?
C. (-?, 1) ? (5, ?)
D. [1, 5]
Mathematics
Add.-1
+ (-4)
A. - 2
B. 5
C. - 5
D. 2
Mathematics
Use the laws of exponents to simplify each expression using positive exponents only. Assume all variables represent nonzero real numbers.
A. 
B. 
C. 
D. 
Mathematics