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Estimate the lim as f(x) approaches -infinity by graphing f(x)=sqrt{x^{2}+x+9}+x   (b) Use a table of values...

Estimate the lim as f(x) approaches -infinity by graphing f(x)=sqrt{x^{2}+x+9}+x  

(b) Use a table of values of f(x) to guess the value of the limit. (Round your answer to one decimal place.)

(c) Prove that your guess is correct by evaluating

lim x→−∞ f(x).

Math   Calculus   
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