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a fost răspuns

aflati multimea valorilor functiei:a) f : {-2,-1,5,7} ---R , f(x)=1supra x
b) f: {-3,-2,-1,0,1,2}----R,f(x)=|x|-1

Răspuns :

a) f(-2)= - 1/2
f(-1)= -1
f(5)= 1/5
f(7)= 1/7
b) f(-3)= 3-1=2
f(-2)=f(2)= 1
f(0)= -1
f(1)= f(-1)= 0

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