September 2018 1 18 Report

zbiorem wartosci funkcji y=x²-6x+11 jest:

a) (-∞,2>

b) (-∞,3)

c) <3,∞)

d) <2,∞)

zad.2 zbiorem rozwiazan nierownosci 3x²+2x-1≤0 jest:

a) (-∞,-1)u<⅓,∞)

b) <-1,⅓>

c)(-∞,-1)u(⅓,∞)

d) (-1,⅓)


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