Question

fie functia f(x)=-2x+3, determinati valorile reale ale lui x, pentru care functia ia valori negative

Answer 1

$-2x+3<0,\;sau\;2x>3,\;sau\;x>\dfrac{3}2,\;deci\;x\in\left(\dfrac{3}2,+\infty\right).$

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