Question: Explain how to get to each answer for following 1) The zeroes of f(x) = x 2 - 8x + 17 are? Answer: {4 +-

Explain how to get to each answer for following

1) The zeroes of f(x) = x2 - 8x + 17 are?

Answer: {4 +- i}

2) Let f(x) = x2 - 4, x < 0. What is f-1?

Answer: -(x + 4), x >-4

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