Determine whether the given function satisfies Laplace's equation.f(x, y) = cos (x) sin (-y)
A. Yes
B. No
Answer: B
Mathematics
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Compare the graph of the given quadratic equation to that of y = x2.y = - 
x2
A. Opens downward and narrower B. Opens downward and wider C. Wider D. Narrower
Mathematics
Graph the two functions on one coordinate plane.f(x) = x2g(x) = (x + 2)2 - 7
A. 
B. 
C. 
D. 
Mathematics
Express the number in scientific notation.7,910,840
A. 7.91084 × 107 B. 7.91084 × 10-6 C. 7.91084 × 106 D. 7.91084 × 101
Mathematics
Solve the problem.If 4x = 3,what does 4-2x equal?
A. 
B. -9
C. 9
D. 
Mathematics