Solve the problem.Because of material shortages, it is increasingly expensive to produce 6.0L diesel engines. In fact, the profit in millions of dollars from producing x hundred thousand engines is approximated by 
where 
Find the inflection point of this function to determine the point of diminishing returns.
A. (3.67, 24.96)
B. (2.75, 114.59)
C. (3.67, 63.26)
D. (3.67, 114.59)
Answer: D
Mathematics
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Simplify the expression by rationalizing the denominator.
A. 
- 
B. 
C. 
D. 
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Evaluate the required second order partial derivative.Find fyx(5, -2), if f(x, y) = (x - 2) ln(xy-2).
A. 1 B. -0.6 C. 0.08 D. -0.4
Mathematics
Write the first four terms of the sequence.an = 2n
A. a1 = 1, a2 = 2, a3 = 4, a4 = 8 B. a1 = 2, a2 = 4, a3 = 8, a4 = 16 C. a1 = 1, a2 = 4, a3 = 9, a4 = 16 D. a1 = 4, a2 = 8, a3 = 16, a4 = 32
Mathematics
Using a calculator, evaluate to four decimal places.log 6664
A. 9.3045 B. 3.3237 C. 8.8045 D. 3.8237
Mathematics