Sketch the graph of the function. Give the coordinates of the vertex.f(x) = -(x - 1)2 + 9
A. vertex: (1, -9)
B. vertex: (- 1, - 9)
C. vertex: (1, 9)
D. vertex: (- 1, 9)
Answer: C
Mathematics
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A. ?
B. ?
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D. ?
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