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Tangent Lines to Curves, Asymptotes and Values that Make a Function Continuous (7 Problems)

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Solution Summary

Tangent Lines to Curves, Asymptotes and Values that Make a Function Continuous are investigated.

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Answer for lok.JPG
1. Answer: a=
As x->1-, f(1-)=-12+9=-3. as x->1+, f(1+)=1-5+a=a-4. Thus a-4=-3. So a=1

2. Answer: y1=4, y2=-4
As x->oo, y->4; as x->-oo, y->-4.

3. Answer: x=3
Just ...

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