А) f(2)=3*2-10=-4
б) f(-1,5)=(-1,5)^2=2,25
в)f(4)=3*4-10=2
г)f(0)=0^2=0
1. корень: (0,0)
область определения:x≥0
ПЕРЕСЕЧЕНИЕ С ОСЬЮ Y: (0,0)
2. x=4
3.не могу
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