funkcja-liniowa-okreslona-wzorem-fxleft2-5mrightxm-1-jest-malejaca-wtedy

A)

$\displaystyle m\in\left(-\infty, \frac{2}{5} \right)$ \displaystyle m\in\left(-\infty, \frac{2}{5} \right)

B)

$m\in\left(-\infty,1\right)$ m\in\left(-\infty,1\right)

C)

$\displaystyle m\in\left( \frac{2}{5},+\infty \right)$ \displaystyle m\in\left( \frac{2}{5},+\infty \right)

D)

$m\in\left(1,+\infty\right)$ m\in\left(1,+\infty\right)