October 2018 1 21 Report

1. Liczba a stanowi 5/3 liczby b. Wówczas :

A. a=b-0,4 . B. b=0,4a C. b=5/3a D. a=5/3b

2. Dziedziną funkcji f(x)= x^-25 / x^-4x jest zbiór :

A. R\{-5,5} B. R\{0,4} C.R\{-2,2} D. R\{-5,0,4,5}


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