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

The domain of f(x)=((x+1)^2)/(1+x^2) is -infinity <x<infinity

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domain of f(x)=((x+1)^2)/(1+x^2)

domain

f (x) = \frac{( x + 1 ) ^{2}}{1 + x ^{2}}

- \infty < x < \infty

Interval Notation

(- \infty, \infty)

Solution steps

The function has no undefined points nor domain constraints. Therefore, the domain is

- \infty < x < \infty

f (x) = 10 x + 6

y = \frac{3}{x - 3}

f (x) = - 10 x^{2} - 11 x + 6

f (x) = \frac{4 - x ^{2}}{x ^{2} - x - 6}

f (x) = \frac{3 x - 1}{2}

What is the domain of f(x)=((x+1)^2)/(1+x^2) ?
The domain of f(x)=((x+1)^2)/(1+x^2) is -infinity <x<infinity