Răspunsuri

2014-05-13T21:11:47+03:00
F(-1)=-5⇒-a+b=-5⇒a-b=5 
f(0)=-2⇒  b=-2
a+2=5, a=3
f(x)=3x-2
f(1)=3x1-2=1
2014-05-13T21:39:21+03:00
F(x) = ax + b
-a + b = 5
b = 2
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f(1) = 1 ?
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-a + 2 = 5 => a = -3
f(x) = 2 -3x
f(1) = 2 -3 = -1