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) = 3x` and `C(x) = 0.01x^2+0.8x+70`, when `x=28` and `frac(dx)(dt)=17`.
Enter DNE for Does Not Exist, oo for Infinity 27.88
dollars per day