Asked by Adam
                What simpler function models the end behavior of the rational function in #4?
#4: lim x->7 (sqrt(x+2)-3)/(x-7)
            
        #4: lim x->7 (sqrt(x+2)-3)/(x-7)
Answers
                    Answered by
            oobleck
            
    as x→∞, so do x+2 and x-7. So they are equivalent to just x. So the limit is the same as 7√x
    
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