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What is the domain of f(x) = (x + 2)2 – 1?

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Simplify


\\ \tt\Rrightarrow f(x)=(x+2)^2-1


\\ \tt\Rrightarrow f(x)=x^2+4x+2-1


\\ \tt\Rrightarrow f(x)=x^2+4x+1

The Domain is set of all real numbers


\\ \tt\Rrightarrow Domain\in R

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