Зная что f(x)=x26, сравните:
а) f(0,123) и f(0,2)
б) f(2/3) и f(3/7)
в) f(-4) и f(-4,1)
г) f(-2/7) и f(-2/5)
а) f(0,123) и f(0,2)
б) f(2/3) и f(3/7)
в) f(-4) и f(-4,1)
г) f(-2/7) и f(-2/5)
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Ответ:
1)f(0.123) <f(0.2)
2) f(2/3)>f(3/7)
3)f(-4)>f(-4.1)
4)f(-2/7)>f(-2/5)
Объяснение:
1) f(0.123)= 0.123×26=3.198
f(0.2)= 0.2× 26=5.2
2) f(2/3)=2/3×26=17.3
f(3/7)=3/7×26= 11.14
3)f(-4)=-4×26=-104
f(-4.1)=-4.1×26= -106.6
4) f(-2/7)=-2/7×26=-7.43
5) f(-2/5)=-2/5×26=-10.4