How do you find the end behavior of $f(x) = x^4 - 4x^2 + x$ ?

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Answer 1 · 2018-05-04T05:33:10

$x$ , $f(x)$ go to infinity

Since this is a standard concave up quartic function, you know that as $x$ goes to infinity, $f(x)$ will as well.

How do you find the end behavior of f(x) = x^4 - 4x^2 + xf(x) = x^4 - 4x^2 + x?