Solve the problem.Find a company's total-cost function if its marginal cost function is C'(x) = 14x - 2 and its fixed cost is $7.
A. C(x) = 7x2 - 2x + 7
B. C(x) = 14x2 - 2x + 6
C. C(x) = 7x2 - 2x + 6
D. C(x) = 14x2 - 2x + 7
Answer: A
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Solve the problem.At what times in the interval 0 ? t ? ? are the velocity and the acceleration vectors of the motion 
orthogonal?
A. t = 
B. t = 0; t = 
; t = ?
C. Velocity and acceleration vectors are orthogonal for all t in 0 ? t ? ?.
D. t = 0
Use the method of writing each premise in symbols in order to write a conclusion that yields a valid argument.Every man with a mind can think. A distracted man can't think. A man who is not distracted can apply himself.
A. Every man who can apply himself has a mind. B. Every distracted man can apply himself. C. Every man with a mind is distracted. D. Every man with a mind can apply himself.
Find the equivalent markup. Round to the nearest tenth of a percent.Markup on cost: 44.3%Markup on selling price: 
A. 69.3% B. 30.7% C. 41.9% D. 58.1%
Evaluate the definite integral.
A. 15 B. 10 C. 24 D. -24