Simplify the fraction.
A. 5
B. 
C. 
D. 15
Answer: B
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Determine whether the given function satisfies Laplace's equation.f(x, y) = cos (x) sin (-y)
A. Yes B. No
Solve.(x - 3)2 = 9 + 7x
A. 0, 13 B. 0, -13 C. 13 D. 0
Solve the problem.A water wheel rotates through the angle ?, the water level L behind the wheel changes according to the equation L = 1 - sin ? - 2 cos2 ?where L is measured in inches. Determine the values of ? for which the water level is zero. Find the exact values. Do not use a calculator.
What will be an ideal response?
Graph the function, showing all asymptotes (those that do not correspond to an axis) as dashed lines. List the x- and y-intercepts.f(x) = 
A. x-intercept: (0, 0) , y-intercept: (0, 0) ;
B. x-intercept: (0, 0) , y-intercept: (0, 0) ;
C. x-intercept: (0, 0) , y-intercept: (0, 0) ;
D. x-intercept: (0, 0) , y-intercept: (0, 0) ;