Объяснение:
а)f(0)=0-5=-5
f(-1.5)=-1.5*2-5=-3-5=-8
б)18=2x-5
2x=22
x=11
0 = 2x-5
2x=5
x=2.5
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Объяснение:
а)f(0)=0-5=-5
f(-1.5)=-1.5*2-5=-3-5=-8
б)18=2x-5
2x=22
x=11
0 = 2x-5
2x=5
x=2.5