Ответ:
y=x+
x
9
,x∈[1,4],ODZ:x≠0
y
′
=1−
2
=
−9
=0→x=±3
+++(−3)−−−(0)−−−(3)+++
y(1)=1+9=10
y(4)=4+
4
25
=6
1
y(3)=3+3=6
naibolshee
=10,y
naimenshee
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Ответ:
y=x+
x
9
,x∈[1,4],ODZ:x≠0
y
′
=1−
x
2
9
=
x
2
x
2
−9
=0→x=±3
+++(−3)−−−(0)−−−(3)+++
y(1)=1+9=10
y(4)=4+
4
9
=
4
25
=6
4
1
y(3)=3+3=6
y
naibolshee
=10,y
naimenshee
=6