Use the vertical line test to determine if the graph is a graph of a function.
A. Not a function
B. Function
Answer: B
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Find the value of x that satisfies the equation.0.4 + x + 2.6 = 4.6
A. x = 6.8 B. x = 2.4 C. x = 1.6 D. x = 7.6
Divide numerator and denominator by the highest power of x in the denominator to find the limit.
A. 8 B. 64 C. 0 D. ?
Determine whether the given function satisfies a Laplace equation.f(x, y, z) = 7x2 - 5y2 - 2z2
A. No B. Yes
Rotate the coordinate axes to change the given equation into an equation which has no cross product (xy) term. Identify the graph of the equation as a hyperbola, ellipse, parabola, a straight line, or parallel lines.6x2 - 5
xy + y2 - 4
x + 8y = 0
A. v2 + 2
u + 6v = 0; Parabola
B. 
u2 + 
v2 + 2u + 6v = 0; Ellipse
C. -
u2 + 
v2 + 2
u + 6v = 0; Hyperbola
D. 
u2 + 2v2 + 6u + 2
v = 0; Ellipse