* Rewrite the function f(x) = x² + 4x – 5 in to vertex form.
a. f(x) = (x + 2)² – 9
b. f(x) = (x - 2)2 - 9
c. f(x) = (x + 2)2 -- 5
d. f(x) = (x - 2)2 – 5
a. f(x) = (x + 2)² – 9
b. f(x) = (x - 2)2 - 9
c. f(x) = (x + 2)2 -- 5
d. f(x) = (x - 2)2 – 5
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