Sporządź tabelki i wykonaj wykresy podanych funcji:
1) y = x² - 4
2) y = 4/x
3) y = √x - 2
1] x= -2 -1 0 1 2
y=x² - 4= 0 -3 -4 -3 0
2] x= -2 -1 1 2
y = 4/x= -2 -4 4 2
3] x= 1 4 9 16
y = √x - 2= -1 0 1 2
√ = Pierwiastek
4/x = Podzielić
x² = kwadrat
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1] x= -2 -1 0 1 2
y=x² - 4= 0 -3 -4 -3 0
2] x= -2 -1 1 2
y = 4/x= -2 -4 4 2
3] x= 1 4 9 16
y = √x - 2= -1 0 1 2
1] x= -2 -1 0 1 2
y=x² - 4= 0 -3 -4 -3 0
2] x= -2 -1 1 2
y = 4/x= -2 -4 4 2
3] x= 1 4 9 16
y = √x - 2= -1 0 1 2
√ = Pierwiastek
4/x = Podzielić
x² = kwadrat