SOLUTION: Suppose that (3x^2+5x+1)/(x^2+1) <= f(x) <= 3-2^x for all x<0. Evaluate lim (as x approaches negative infinity) f(x). <= means less than or equal to

Algebra ->  Equations -> SOLUTION: Suppose that (3x^2+5x+1)/(x^2+1) <= f(x) <= 3-2^x for all x<0. Evaluate lim (as x approaches negative infinity) f(x). <= means less than or equal to      Log On


   

Question 1200055: Suppose that (3x^2+5x+1)/(x^2+1) <= f(x) <= 3-2^x for all x<0. Evaluate lim (as x approaches negative infinity) f(x).
<= means less than or equal to
Answer by greenestamps(13206) About Me  (Show Source):
You can put this solution on YOUR website!


The limit as x approaches negative infinity of %283x%5E2%2B5x%2B1%29%2F%28x%5E2%2B1%29 is 3.

The limit as x approaches negative infinity of 3-2%5Ex is 3.

Since for all x f(x) is between those two functions, the limit as x approaches negative infinity of f(x) is 3.