18-20

Question 18 0/1 pt 9 2 0 Details During the first couple weeks of a new flu outbreak, the disease spreads according to the equation I(t) = 1900e0.053t, where I(t) is the number of infected people t days after the outbreak was first identified. Find the rate at which the infected population is growing after 10 days and select the appropriate units. Select an answer days people Check A people per day days per person Question 19 0/1 pt 2 0 Details sin (6h) Evaluate: lim h-0 h Check Answer Question 20 0/1 pt 9 2 0 Details Let f(x) = zo . Use logarithmic differentiation to determine the derivative. f' (x) = f' ( 1) =