October 2018 2 16 Report

1. Do wykresu funkcji y=-3x+4, x ɛ R należy punkt:

a) (-1,1)

b) (5,11)

c) (-3,10)

d) (2,-2)

2. Funkcja y=-x+1 jest:

a) rosnąca

b) malejąca

c) stała

d) nie można określić

3. Rozwiązaniem równania -2x-3(x+1)=4-(-5x+2) jest liczba:

a) - 1/2

b) -2

c) 2

d) 1/2

4. Liczby naturalne należące do zbioru rozwiązań nierówności x-2/3 ≥ 4x -(2x+1) to:

a)0

b)0 i 1

c)1

d)0 i 1/5

Proszę o wyjaśnienia.


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