y'=(4/3)*(3/2)x^(1/2)-10=2*x^(1/2)-10=0
2x^(1/2)=10
x^(1/2)=5
x(min)=25
y(min)=4/3*25*5-250+6=125/3-119=-77 1/3
y'=(4/3)*(3/2)x^(1/2)-10=2*x^(1/2)-10=0
2x^(1/2)=10
x^(1/2)=5
x(min)=25
y(min)=4/3*25*5-250+6=125/3-119=-77 1/3