Zadanie o funkcji. w załączniku :) DAJE NAJ
f(x)= -2/x
f(x)= -2/-2= 1
f(2)=-2/x
2=-2/x /*x
2x=-2 /:2
x=-1
f(-2)=-2/x
-2=-2/x /*x
-2x=-2x /:(-2)
x=1
f(-1)=-2/x
-1=-2/x /*x
-x=-2 /:(-1)
x=2
f(x)=-2/x
f(x)=-2/4
f(x)= - 1/2
f(x)=-2/ (-1/3) /*(-3)
f(x)=6
Wykres i tabelka w załączniku.
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f(x)= -2/x
f(x)= -2/-2= 1
f(2)=-2/x
2=-2/x /*x
2x=-2 /:2
x=-1
f(-2)=-2/x
-2=-2/x /*x
-2x=-2x /:(-2)
x=1
f(-1)=-2/x
-1=-2/x /*x
-x=-2 /:(-1)
x=2
f(x)=-2/x
f(x)=-2/4
f(x)= - 1/2
f(x)=-2/x
f(x)=-2/ (-1/3) /*(-3)
f(x)=6
Wykres i tabelka w załączniku.