1. L


    Question is: The removal of some substances from the blood by the kidneys depends on theconcentration in the blood. The following measurements of the concentration of anantibiotic were taken after it was intravenously injected to give a concentration of 20 p.p.m. Time (hr) 0.5 1 1.5 2 2.5 3...
  2. S

    logs and expontential functions

    I am not sure if I am getting this or not. Would you please check a couple of problems before I go any further. f(x) = ln2x f'(x) =1/u (du/dx 1/2x)(d/dx2x) f'(x) = 2/2x and f(x) = x ln x f'(x) = x lnx^3/2 f'(x) = x(1/2lnx)