Epsilon Delta Homework Statement: Finding the Factorization for f(x)-L

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Homework Statement




im not seeing a factorization for f(x)-L<e and and not sure how to proceed in this case
 
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In fact, 7 is not the limit, so you're going to have a really tough time proving the limit you showed.
 
not too sure what you're trying to do, any more info?
 
my mistake that's limit x -> 1 5x^2+2x-13=7