funckja matmematyka: dana jest funkcja o wzorze x−2 −−−−−−−−−− √−x określ dziedzine tej funkcji czy funkcja ta posiada miejsce zerowe oblicz wartosc funckcji dla argumentu −9

matmematyka:

siaha: D∊R miejsce zerowe 2 dla 9 przyjmuje 2,3333333

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kaz: −x>0⇒x<0 D_f=(−∞,0) nie ma miejsc zerowych,bo 2 nie należy do D_f

	11
f(−9)=−
	3

siaha: o kurwa co za fatalne błedy popełniłem