Question 357478
1) Solutions: x = 12, x = 800

2) 406 tvs must be produced

3) max profit = $155236

4) vertex (406,155236) x coordinate from 2) y coordinate from 3)



Graph


 {{{ graph( 500, 500, -30, 1000, -50000, 180000, -x^2+812x-9600) }}}