Răspunsuri

2014-03-15T19:22:32+02:00
 A)  f : {-2 ,-1,0,3} -> R , F(X) = -2X+1 
f(-2)=4+1=5
f(-1)=2+1=3
f(0)=1
f(3)=-6+1=-5

multimea valorilor este {5,3,1,-5}

 B) f :{0,1,4,5,11} -> R , F(X)=4X+7 
f(0)=7
f(1)=4+7=11
f(4)=16+7=23
f(5)=20+7=27
f(11)=44+7=51

multimea valorilor este {7,11,23,27,51}

 C) f : {-1,0,3,5,8} -> Z , F(x) = -X+6
f(-1)=1+6=7
f(0)=6
f(3)=-3+6=3
f(5)=-5+6=1
f(8)=-8+6=-2

multimea valorilor este {7,6,3,1,-2}
4 5 4