im not that good at functions so is this right? if not could you explain how to do the problem? 25 points
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I will find one by one
[tex]\\ \sf\longmapsto f(x)=2x-1[/tex]
[tex]\\ \sf\longmapsto f(1)=2(1)-1=2-1=1[/tex]
[tex]\\ \sf\longmapsto f(0)=2(0)-1=-1[/tex]
[tex]\\ \sf\longmapsto f(-1)=2(-1)-1=-1-1=-3[/tex]
[tex]\\ \sf\longmapsto f(2)=2(2)-1=4-1=3[/tex]