MiyanaQ551606 MiyanaQ551606

25-10-2022
Mathematics

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If f(x)=x squared + 3x - 10 then over which of the following intervals is f(x)<0 ?

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MayceeP531403 MayceeP531403

25-10-2022

Given data:

The given function is f(x)= x^2 +3x-10.

The given inequality is,

[tex]\begin{gathered} f(x)<0 \\ x^2+3x-10<0 \\ x^2+5x-2x-10<0 \\ x(x+5)-2(x+5)<0 \\ (x+5)(x-2)<0 \\ -5Thus, the value of x is -5

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