Evaluate the integral.
A. 20.1
B. 4.74
C. 26.1
D. 6.70
Answer: A
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Solve the problem.The mathematical model C(x) = 300x + 40,000 represents the cost in dollars a company has in manufacturing x items during a month. Based on this, how much does it cost to produce 200 items?
A. $100,000 B. $60,000 C. $1 D. $133
Find all solutions of the equation in the complex number system.(x + 16)2 = -7
A. {-16 + i
, -16 - i
}
B. {-16 - 
}
C. {-16 + 
, -16 - 
}
D. {-9, 23}
Use percents, percent equations, and/or percent proportions to solve the application.A company's profit amounted to 20% of its sales. If the profits were $3 million, then what were the company's sales?
A. $17 million B. $13 million C. $15 million D. $16 million
Solve the system of linear equations and check any solution algebraically.
?
?
A. ?
B. ?
C. ?
D. No solution
E. ?