Provide an appropriate response.A critical point of f(x, y) = 2x2 + 3y2 + 7 subject to the constraint 2x - 5y = 31 is
A. 
B. (3, -5)
C. (2, 3)
D. (0, 0)
E. (-4, 1)
Answer: B
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Work the application and answer with a complete sentence.What is the difference in altitude between the peak of a mountain 16,858 feet above sea level and the peak of a mountain 14,371 feet above sea level?
A. The difference in altitude is 2587 feet. B. The difference in altitude is 2487 feet. C. The difference in altitude is 31,229 feet. D. The difference in altitude is 31,329 feet.
Use the compound interest formula to determine the final value of the given amount.$1,000 at 6% compounded semiannually for 4 years
A. $1229.87 B. $266.77 C. $1266.77 D. $1262.48
Solve the problem.A student earned scores of 85, 83, 90, 94, 88, and 84 on the first six tests in a biology class. What score is needed on the seventh test to produce an 86 average?
A. 81 B. 79 C. 78 D. 80
Divide.
A. 24
B. -24
C. - 
D. -34