Find the eccentricity of the conic section shown in the graph. x = -4
A. e = 
B. e = 
C. e = 1
D. e = 
Answer: C
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Find the circumference of the circle whose radius or diameter is given. Use 
or 
as indicated. d = 16 in.. Use ? ? 3.14.
A. C ? 100.48 in. B. C ? 50.24 in. C. C ? 25.12 in. D. C ? 803.84 in.
Find the absolute maximum and minimum values of the function on the given curve.Function: 
curve: 
, 
(Use the parametric equations 
A. Absolute maximum: 4 at 
absolute minimum: -4 at 
B. Absolute maximum: 4 at 
absolute minimum: -4
at 
C. Absolute maximum: 4
at 
absolute minimum: -4
at 
D. Absolute maximum: 4
at 
absolute minimum: -4 at 
Use synthetic division to find the function value.f(x) = 2x4 - 9x3 + 4x2 - 5x - 7; find f(2).
A. -41 B. -114 C. -65 D. 105
Find the vertex, focus, and directrix of the parabola. Graph the parabola.x2 - 10x - 12y + 85 = 0
A. vertex: (5, 5); focus: (2, 5);
directrix: x = 8
B. vertex: (5, 5); focus: (8, 5);
directrix: x = 2
C. vertex: (5, 5); focus: (5, 2);
directrix: y = 8
D. vertex: (5, 5); focus: (5, 8);
directrix: y = 2