Determine whether the function satisfies a Laplace equation.f(x, y, z) = cos(8x) sin(8y) e(
z)
A. Yes
B. No
Answer: A
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Perform the following division.
A. 28 R2 B. 28 R3 C. 28 R4 D. 28 R5
Decide whether or not the equations are equivalent.
= 
x + 2 = 5
A. Equivalent B. Not equivalent
Factor the polynomial completely.18a4 - 98b2
A. 2(3a2 + 7b)(3a2 - 7b) B. 2(3a2 + 7b)2 C. (6a2 + 14b)(3a2 - 7b) D. 2(3a2 - 7b)2
Find the zeros of the polynomial function. State whether the graph crosses the x-axis, or touches the x-axis and turns around, at each intercept. f(x) = x2(x - 4)(x - 6)
A. x = 0, touches the x-axis and turns around; x = -4, crosses the x-axis; x = -6, crosses the x-axis B. x = 0, crosses the x-axis; x = 4, crosses the x-axis; x = 6, crosses the x-axis C. x = 0, crosses the x-axis; x = 4, touches the x-axis and turns around; x = 6, touches the x-axis and turns around D. x = 0, touches the x-axis and turns around; x = 4, crosses the x-axis; x = 6, crosses the x-axis