Using the graph of the parabola, determine the coordinates of the vertex and focus, and the equation of the directrix.
A. Vertex (-2, -3), focus (-2, -4), directrix y = -2
B. Vertex (-2, -3), focus (-2, -2), directrix x = -4
C. Vertex (-2, -3), focus (-2, -2), directrix y = -4
D. Vertex (-2, -2), focus (-2, -3), directrix y = -4
Answer: C
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dx
A. 
sin6 (x3 - 3x)+ C
B. 
cos6 (3x2) + C
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D. 
sin6 (x3 - 3x) + C
Give the domain and range for the rational function. Use interval notation.f(x) = 
+ 3
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What will be an ideal response?