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OpenStudy (he66666):
Calculus curve sketching: How do you find the concavity (for each interval) ofthe function y=2x/(x^2-25)? I know you're supposed to use the table with the according intervals but I'm getting x=0, x=-4.2, x=5, x=-5 as my points from the second derivative, and I think that's too many points to use.... can someone help me?
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