y'=(x-1)'(x+4)-(x-1)(-4)'/ (x-1)^2=5/(x-1)^2
f(-1)=-3/2=-1,5
f(2)=6
f(4)=8/3
f(4)=8/3=f(x) - max
f(-1,5)=f(x) - min
y'=(x-1)'(x+4)-(x-1)(-4)'/ (x-1)^2=5/(x-1)^2
f(-1)=-3/2=-1,5
f(2)=6
f(4)=8/3
f(4)=8/3=f(x) - max
f(-1,5)=f(x) - min