Find the open intervals on which the function is increasing and decreasing. Identify the function's local and absolute extreme values, if any, saying where they occur.
A. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5)
absolute maximum at (-5, 3); local maximum at (0, 0) and (2, 0);
absolute minimum at (5, -3)
B. increasing on (-3, 1); decreasing on (-5, -3) and (0, 5)
absolute maximum at (-5, 3); no absolute minimum
C. increasing on (-3, 0); decreasing on [-5, -3) and (2, 5]
absolute maximum at (-5, 3); absolute minimum at (5, -3)
D. increasing on (-3, 0); decreasing on (-5, -3) and (2, 5)
absolute maximum at (-5, 3); local minimum at (-3, -3) and (5, -3)
Answer: C
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A. 7 B. - 35 C. 35 D. -3
Sketch the surface z = f(x,y).f(x, y) = 
A. 
B. 
C. 
D. 
Use rational exponents to simplify. Do not use fraction exponents in the final answer. Assume that even roots are of nonnegative quantities.
8
A. 
B. 3x2
C. 
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