Find the vertex and axis of symmetry of the graph of the function.f(x) = -3x2 - 24x
A. (-4, 0); x = -4
B. (4, 0); x = 4
C. (4, 48); x = 4
D. (-4, 48); x = -4
Answer: D
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A. 
B. 
C. 
D. 
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A. 
B. 
C. 
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