Determine whether the given function satisfies Laplace's equation.f(x, y, z) = 9x + 9y3z2
A. Yes
B. No
Answer: B
Mathematics
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The profit earned when n items are produced is given by the function 
. If increasing production will result in an increase in profits, what can be said about marginal profit 
?
?
A. is positive.
B. is negative.
C. is zero.
D. is linear.
Mathematics
Solve.Find the area of an ellipse with a major axis 14 and a minor axis 6.
A. 42? B. 21? C. 42 D. 10.5?
Mathematics
Identify the quadrant for the angle ? satisfying the following conditions.tan ? < 0 and sin ? < 0
A. Quadrant I B. Quadrant III C. Quadrant IV D. Quadrant II
Mathematics
Determine if the given number is a solution to the given equation. Answer yes or no.Is 11 a solution to p - 6 = 5 ?
A. yes B. no
Mathematics