Determine whether the given function satisfies a Laplace equation.f(x, y, z) = cos (7x) sin (-7y) e(z)

A. Yes
B. No

Answer: B

Mathematics

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For the given functions f and g, find the indicated value.f(x) = x2 + 5x, g(x) = x + 3(f ? g)(2)

A. 50
B. 17
C. 5
D. 0

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Mathematics

Find a symbolic representation for f-1(x).f(x) = 

A. f-1(x) = (x - 9)2
B. f-1(x) = 
C. f-1(x) = x2 + 9, x ? 0

D. Not a one-to-one function

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Mathematics

Write the equation of a sine function that has the given characteristics.The graph of y = , shifted 5 units upward

A. y = 
B. y = 
C. y =  - 5
D. y =  + 5

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Mathematics

Multiply and, if possible, simplify. ? 

A. 14x
B. 9
C. 2
D. 7

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Mathematics