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9 votes
9 votes
What is the point of a horizontal tangent line to the function
f(x)=(x^2-5) (x^2+5)​

User AlbertoFdzM
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1 Answer

17 votes
17 votes
Answer: y=-25

When f(x)=(x^2-5)(x^2+5) y equals-25
User Safl
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