Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = -x2 - 2x + 8
A. vertex (-1, -9)
intercepts (2, 0), (- 4, 0), (0, -8)
B. vertex (1, 9)
intercepts (-2, 0), (4, 0), (0, 8)
C. vertex (-1, 9)
intercepts (2, 0), (- 4, 0), (0, 8)
D. vertex (1, -9)
intercepts (-2, 0), (4, 0), (0, -8)
Answer: C
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