September 2018 1 27 Report

Wyznacz dziedzinę funkcji jeśli:
a) f(x)= 5/ 4x^2 - 9
b) f(x)= 4+x/ 16- x^2
c) f(x)= 2x-5/ 25- 4x^2

d)f(x)= 3x+4/ x^2 - 2x+1
e) f(x)= 5x/ x^2 - 10x +25

f) f(x)= x-4/ x^2+ 4x + 4
g) f(x)= x^2/ x^2+ 6x+ 9

h) f(x)= x+x^2/ 4x^2+4x+1

i)


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