10. a ning qanday qiymatlarida ma`noga ega bo`ladi?
A) a≥0.5 B) 0.5≤a≤4 C) 0.5≤a<4 D) a<4
11. Ushbu x+px-6=0 tenglamaning ildizlaridan biri -2 ga teng.Shu tenglamaning koeffisiyentlar yig`indisini toping.
A) -6 B) 6 C) -7 D) 7
12. y=funksiyaning aniqlanish sohasini toping.
A) x≤1 B) x≤ -3va x≥1 C)x≤-1 D) x≥2 4>4>
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