Determine whether the given function satisfies a Laplace equation.f(x, y, z) = cos (-5x) sin (-2y) e(
z)
A. No
B. Yes
Answer: A
Mathematics
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Use the graph to write the slope-intercept form of the equation of the line.
A. y = x + 5 B. y = - x - 5 C. y = - x + 5 D. y = x - 5
Mathematics
Calculate.7
÷ 3.875
A. 2
B. 1.8
C. 1.9375
D. 2.125
Mathematics
Find the indicated matrix.Let A =
and B =
. Find 4A + B.
A. 
B. 
C. 
D. 
Mathematics
Factor the difference of squares.(r + s)2 - 9
A. (r - s + 3)(r - s - 3) B. (r2 + 3)(s2 - 3) C. (r + s + 3)(r + s - 3) D. (r + s + 3)(r - s - 3)
Mathematics