Question

find limit as x approaches -infinity, and infinity

y= x^(3/2) (4-9x)

Answer 1

solve these first\[\lim_{x \rightarrow \infty} x^{3/2}= \]
\[\lim_{x \rightarrow \infty} 4-9x=\]
\[\lim_{x \rightarrow -\infty} x^{3/2} =\]
\[\lim_{x \rightarrow -\infty} 4-9x=\]

Answer 2

oh you have to seperate them? for positive infinity you get two different answers: infinity and -infiinity. what do you do then?

Answer 3

(infinity)*(- infinity) =?

Answer 4

oh gotcha! thanks

Answer 5

you dont have to seperate them, but it makes life a lot easier

Answer 6

can i ask you another limit i'm strugglng on