The domain of f(x)=5x^2+2x-1 f(x) = 5x ^(2) + 2x - 1

Question

The domain of f(x)=5x^2+2x-1

`f(x) = 5x ^(2) + 2x - 1`

Answer 1

It's a quadratic function, therefore the domain is all real numbers.

`f(x)=5x^2+2x-1\to D:x\in\mathbb{R}`