Locate and classify all critical points for the given function.f(x,y) = 4 - (x2 - y2)

A. Saddle point at (0, 0)
B. Maximum of 4 at (0, 0)
C. Minimum of 4 at (0, 0)
D. None of the above is correct.


Answer: A

Mathematics

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D.  sin 2x -  cos3 2x + C

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Find the LCM for the given numbers by an appropriate method.24,854 and 3655

A. 731 B. 124,270 C. 7310 D. 10

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Solve each problem.A piece of molding  long is to be cut to form a rectangular picture frame. What dimensions will enclose the largest area?

A. 12.45 cm x 38.75 cm B. 38.75 cm x 38.75 cm C. 12.45 cm x 12.45 cm D. 31 cm x 31 cm

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Find the equation of the line with slope –2 and y-intercept 8. Write the equation in standard form

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