Determine the local extrema of the function.f(x, y) = x3 + y3 - 9xy
A. f(3, 3) = -27, minimum
B. f(1, 1) = -7, minimum
C. no local extrema
D. f(2, 2) = -20, minimum
Answer: A
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Give a verbal representation of f(x).f(x) = 4x - 3
A. Multiply the input x by 3 and then subtract 4 to obtain the output y. B. Multiply the input x by 4 and then add 3 to obtain the output y. C. Multiply the input x by 4 and then subtract 3 to obtain the output y. D. Divide the input x by 4 and then add 3 to obtain the output y.
The table gives the winner of the weekly gymnastics competition for the first eight weeks of the season. 
Make a list of the leading averages in order from least to greatest for the weeks shown.
What will be an ideal response?
Find the volume.Of a cube each of whose edges is 
m.
A. 
m3
B. 
m3
C. 
m3
D. 
m3
Find the exact value of the expression. Do not use a calculator.tan 30° - cos 45°
A. 
B. 
C. 
D. 