How do you graph f(x)=-x^3 using zeros and end behavior?

1 Answer
Dec 13, 2017

As shown below:

Explanation:

The first thing to consider is how -x^3 is just x^3 reflected in the x axis:

We can sketch x^3 : as x->oo, x^3 -> oo
as x->-oo, x^3->-oo as if mu is negative, then mu^3 is also negative

Now we can cosnider the 'zeros', so hence: x^3 = 0 => x = 0

Hence x^3: graph{x^3 [-10, 10, -5, 5]}

Reflecting: -x^3:

graph{-x^3 [-10, 10, -5, 5]}