Find the eccentricity of the conic section shown in the graph.x = -21
A. e = 
B. e = 1
C. e = 
D. e = 
Answer: C
Mathematics
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Find the equation of the tangent plane (or tangent "hyperplane" for a function of three variables) at the given point p.f(x, y) = sin (xy), p = (?, 1, 0).
A. ?x + ?y + z = 2? B. x + ?y + z = ? C. ?x + ?y + z = 0 D. x + ?y + z = 2?
Mathematics
Solve the equation.
= x
A. 4
B. 7
C. 
D. -4
Mathematics
Solve the equation.45 - 3x = 
A. 128
B. -3
C. 
D. 3
Mathematics
Use the given zero to find all zeros of the function.f(x) = x5 - 10x4 + 42x3 -124 x2 + 297x - 306; zero: 3i
A. -2, -3i, 4 - i, 4 + i B. -2, -3i, -4 - i, -4 + i C. 2, -3i, 4 - i, 4 + i D. 2, -3i, -4 - i, -4 + i
Mathematics