Determine whether the given function satisfies a Laplace equation.f(x, y) = e3ysin 3x

A. Yes
B. No

Answer: A

Mathematics

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Find the linearization L(x) of f(x) at x = a.f(x) = , a = 0

A. L(x) = - x - 
B. L(x) = x - 
C. L(x) = x + 
D. L(x) = - x + 

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Mathematics

Determine the real solutions to the system of nonlinear equations.x2 - 2y2 = 23x2 + 2y2 = 14

A. (2, 1), (-2, -1) B. (1, 2), (-1, 2), (1, -2), (-1, -2) C. (-1, 2), (1, -2) D. (2, 1), (2, -1), (-2, 1), (-2, -1)

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Mathematics

Solve the equation.4x + 12 = 0

A.
B.
C.
D.

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Mathematics

Solve the problem.Biologists banded five out of every twenty wild ducks. What percent were banded?

A. 25% B. 75% C. 5% D. 15%

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Mathematics