Add.- 14.57 + (- 6.5)
A. -20.62
B. -21.07
C. 8.07
D. -8.07
Answer: B
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Solve the problem.Assume that the profit generated by a product is given by 
where x is the number of units sold. If the profit keeps changing at a rate of 
per month, then how fast are the sales changing when the number of units sold is 600? (Round your answer to the nearest dollar per month.)
A. $146,969/month B. $27/month C. $8165/month D. $16,330/month
Provide an appropriate response.Which of the following is the correct way to evaluate the expression 3 + 5 ? 5?
A. 3 + 5 ? 5 = 25 + 5 = 20 B. 3 + 5 ? 5 = 15 + 25 = 40 C. 3 + 5 ? 5 = 3 + 25 = 28 D. 3 + 5 ? 5 = 8 ? 5 = 40
Solve the problem.2 - x ? 4x + 5 and 5x - 22 ? 6x + 22
A. 
B. 
C. 
? 
D. 
Find the probability to the nearest hundredth that the random variable of the probability density function has a value greater than the mean.f(x) = 
; [3, 5]
A. 0.62 B. 0.54 C. 0.50 D. 0.56