Question

plizz ajutatima
multumesk

Answer 1

D(f)=$\left \{ {{x \ \leq 2} \atop {x\ \textgreater \ 1}} \right.$⇒
D(f)=(1;2]
c)$2-x \geq 0 \\ x-2 \geq 0$⇒$x \leq 2 \\ x \geq 2$
D(f)={2}

Answer 2

D(f)=⇒
D(f)=(1;2] .......................................................................................................................................................................