Narysuj wykres punkcji f(x)=||x|-4| i podaj, jaka jest liczba pierwiastkow rownania f(x)=m dla m=4.a)4b)2c)3
a) f(4) = I4-4I = 0
b) f(2) = I2-4I = -2
c) f(3) = I3-4I = -1
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a) f(4) = I4-4I = 0
b) f(2) = I2-4I = -2
c) f(3) = I3-4I = -1