How do you find the domain and range of $F(x) = x^2 - 2x + 1$ ?

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Answer 1 · 2016-03-16T18:42:36

The function can be wirtten as follows

$F(x)=(x-1)^2$

Hence the domain is the set of real numbers $D_f=R$

For the range we notice that

$F(x)=(x-1)^2>=0$

Hence the range is $R_f=[0,+oo)$

How do you find the domain and range of F(x) = x^2 - 2x + 1F(x) = x^2 - 2x + 1?