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

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

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

domain

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

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

f (x) = 2 x^{2} + x + 6

ln (x^{2} + 3 x - 4)

f (x) = 10 x^{4} - 60 x^{2}

2^{x + 3} + 4

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