Răspuns :
Răspuns: f(x)=-2x+1
____tabelu__________ f(-4)=(-2)*(-4)+1=9
║x║-4║ -3║ -2║ -1║ 0║ f(-3)=(-2)*(-3)+1=7
----------------------------------- f (-2)=(-2)*(-2)+1=5
║f(x)║9║ 7║ 5║ 3║ 1║ f(-1)=(-2)*(-1)+1
---------------------------------- f(0)=(-2)*0+1=1
f(1,5)=(-2)*1,5+1=2
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