Question

f(x) = x² – 2x + 4 for x € R.
a. Find the set of values of x for which f(x) ≥ 7.
b. Express x² – 2x + 4 in the form (x – a)2 + b.
с. Write down the range of f.​

Answer 1

Answer:

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Step-by-step explanation:

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