Question

True or False
For all x in R: x^3+17x^2+6x+100 is greater or equal to 0

Answer 1

I would say this is true but like is tehre any way to know forsure?

Answer 2

Quick way to look at this, is to see that it's a cubed function. All cubic functions go off to both infinity and negative infinity at opposite ends. Therefore, it must be less than 0 for some x.

Answer 3

ohhh stupid me

Answer 4

i dont know how to use my brain

Answer 5

let x=-1000 :D lol

Answer 6

no like once u tell me like i see it and i wanna just kill myself for not noticing that

Answer 7

We've all had those moments.

Answer 8

i have them all the time if u havent noticed yet lol