October 2018 2 17 Report

Wyznacz dziedzinę funkcji:

1. f(x) = x-2 / x-3

2. f(x) = 2 / (x-1) (x-7)

3. f(x) = ( 7 / x+2 ) - (4x / 5x-1)

4. f(x) = 3x+4 / x2 - 3x + 1

5. f(x) = x2 + 1 / 25x2 + 20x +4

6. f(x) = √2x-7

7. f(x) = √x2+3

8. f(x) = √x+2 / x

9. f(x) = √x+4 / √2-x

10. f(x) = √1-x + √x+3

Proszę bardzo o jakąkolwiek pomoc :) z góry dziękuję.


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