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

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

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

domain

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

- \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) = x^{2} - 2 x - 3

(24, - 1), (29, 2)

y = \frac{2}{5} x - 4

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

y = sec (x)

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