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thank you 

 

https://prnt.sc/owuj5h

 Aug 24, 2019

Best Answer 

 #1
avatar+107018 
+3

 

The power of 9 will have much more impact on the limit to + or - infinity.

So as x tends to -infinity,    f(x) will tend to  -4*-infinity = +infinity

and as x tends to +infinity  f(x) will tend to  -4*+infinity = - infinity.

 Aug 24, 2019
 #1
avatar+107018 
+3
Best Answer

 

The power of 9 will have much more impact on the limit to + or - infinity.

So as x tends to -infinity,    f(x) will tend to  -4*-infinity = +infinity

and as x tends to +infinity  f(x) will tend to  -4*+infinity = - infinity.

Melody Aug 24, 2019

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