Hej!
[tex]\frac{3\cdot(-1)^2-(-1)}{4}+3=\frac{3\cdot1+1}{4}+3=\frac{4}{4}+3=1+3=4\\\\\frac{3\cdot0^2-0}{4}+3=\frac{0}{4}+3=0+3=3\\\\\frac{3\cdot1^2-1}{4}+3=\frac{3-1}{4}+3=\frac{2}{4}+3=0,5+3=3,5[/tex]
Pozdrawiam! - Julka
dla x=-1 3+1/4 +3= 1+3=4
dla x=0 3
dla x=1 3-1/4 +3= 1/2+3=3.5
