-сх+2cy+3zc
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Y = f(x)
1) f(-1) = 4 - 0.5×(-1) = 4 + 0.5 = 4.5
f(0) = 4
f(1) = 3.5
f(2) = 3
2) f(-1) = 3×(-1) - 2 = -5
f(0) = -2
f(1) = 1
f(2) = 4
3) f(-1) = -1^2 + 1 = 1+1 = 2
f(0) = 1
f(1) = 1+1 = 2
f(2) = 4 + 1 = 5
4) f(-1) = 0.75
f(0) = 0.6
f(1) = 0.5
f(2) = 3/7
Ордината=0,значит y=0
12x-5*0=132
12x=132
x=11
11=абсцисса
Подставим х. 25+5m-5=0 разделим все на 5. 5+m-1=0=>> m=-4