find f(-4) for f(x)=√x²-2x+1
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find f(-4) for f(x)=√x²-2x+1
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Answer:
f(-4)= √-7
Step-by-step explanation:
f(x) =√x²-2x+1
f(-4) = √ 2(-4)+1
= √-8 +1
f(-4)= √-7