Find the coordinates of the vertex and the direction of opening of each parabola.x = -(y + 4)2 + 7
A. (-4, 7) opens left
B. (16, -7) opens right
C. (7, -4) opens right
D. (7, -4) opens left
Answer: D
Mathematics
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Determine whether the graph is a tree.
A. No B. Yes
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Solve for the indicated variable.A = 
, for B
A. B = 
B. B = ln 
C. B = ln 
D. B = 
Mathematics
Solve the inequality. Graph the solution set and write the solution set in set-builder notation.x2 - 3x ? -2
A. {x 
B. {x 
C. {x 
D. {x 
Mathematics
State whether the graph is that of an arithmetic sequence or a geometric sequence.
A. Arithmetic B. Geometric
Mathematics