Answer the question.Given f(x,y) = x2 + y2, the purpose of finding the critical points is which of the following?(i) find local minima, if they exist(ii) find local maxima, if they exist(iii) find saddle points, if they exist(iv) find interior points, if they exist
A. All are correct.
B. (i), (ii), and (iii) are all correct.
C. Only (iii) is correct.
D. Only (i) and (ii) are correct.
Answer: B
Mathematics
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A. [2, 6] B. (2, 6) C. [-6, -2) D. [-6, -2]
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Solve the problem.The relationship between the number of units sold by a company and the profit is linear. If 5 units sold results in $110 profit and 37 units sold results in $814 profit, find the marginal profit.
A. $44 per unit B. $22 per unit C. $11.00 per unit D. -$22 per unit
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Subtract and check.
A. 221,114 B. 222,104 C. 221,104 D. 321,104
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