use the definition of epsilon-delta to proof f(x)=x^3 is continuous pls help to solve this
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Originally Posted by chelloveck use the definition of epsilon-delta to proof f(x)=x^3 is continuous pls help to solve this To show that is continuous at x= a, you must show that "Given any , there exist such that if then ." It will help to recognize that so you will need to find an upper bound on .
If you're still stuck, observe that if , then and then follow from that.
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