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For what values of x is the function f(x)=x^2-4x-5 increasing?

For what values of x is the function f(x)=x^2-4x-5 increasing?
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For what values of x is the function f(x)=x^2-4x-5 increasing?

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User Eric Brandel
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1 Answer

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For x ∈ [ - b / ( 2a ) ; +oo ) , f is increasing; => x ∈ [ +2 ; +oo ).
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User Null Canvas
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