Using the completing-the-square method, rewrite f (x) = x2 4x - 1 in vertex form.

a. f (x) = (x + 2) ^2 + 1

b. f (x) = (x + 2^) 2

c. f (x) = (x + 2^) 2 + 4

d. f (x) = (x + 2) ^2 - 5

How do you do inequality problems

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Scientific notation for 46,072,000