
Simon E. answered 10/10/19
Tutor
2
(1)
Master's Degree with 13+ years experience tutoring Math and Science
R(x)=373x-0.9x^2
derive R(x) --> dR/dx=373-2*0.9x
to get maximum --> dR/dx=0
373=1.8x
x=207.22
R(207.22)=373*207.22-0.9*(207.22)^2
R=38646.9 €