Try another version of this question Get help: Box 1: Enter your answer as an integer or decimal number. Examples: 3, -4, 5.5172 Box 2: Select the best answer
Find the rate of change of total profit, in dollars, with respect to time where `R(x) = 6x` and `C(x) = 0.06x^2+0.4x+20`, when `x=30` and `frac(dx)(dt)=19`.
Enter DNE for Does Not Exist, oo for Infinity 38.00
dollars per day