Solve the problem.The monthly sales volume y (in thousands of dollars) is related to monthly advertising expenditures x (in thousands of dollars) according to the equation 
Spending how much money on advertising will result in sales of at least $50,000 per month?
A. Between $5000 and $10,000
B. At least $5000
C. At least $7500
D. At least $10,000
Answer: D
Mathematics
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Find the vertical asymptotes of the rational function.f(x) = 
A. x = 
, x = -1
B. x = - 
, x = 1
C. x = - 
, x = 1
D. x = 
, x = -1
Mathematics
Given that the pair of triangles is similar, find the length of the side labeled n. Round your results to 1 decimal place, if necessary.
A. 2.5 B. 260.1 C. 10 D. 0.4
Mathematics
Give the additive inverse of the number.-20
A. - 
B. 0
C. -20
D. 20
Mathematics
Solve the inequality and graph the solution.10x - 6 < 2x - 13
A. x > - 
B. x < 8
C. x < - 
D. x > -7
Mathematics