Wyznacz k tak, aby punkt A o współrzędnych k A:(K,k+5) f(x)=2x+3.
A:(K,k+5)
f(x)=2x+3
x=k+5
f(x)=k
k=2(k+5)+3
k=2k+13
-13=k
k=-13
pozdr
ar
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A:(K,k+5)
f(x)=2x+3
x=k+5
f(x)=k
k=2(k+5)+3
k=2k+13
-13=k
k=-13
pozdr
ar