Graph the function using its vertex, axis of symmetry, and intercepts.f(x) = x2 + 8x + 7
A. vertex (4, 9)
intercepts (1, 0), (7, 0), (0, -7)
B. vertex (-4, 9)
intercepts (-1, 0), (- 7, 0), (0, -7)
C. vertex (-4, -9)
intercepts (-1, 0), (- 7, 0), (0, 7)
D. vertex (4, -9)
intercepts (1, 0), (7, 0), (0, 7)
Answer: C
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