?? - 2014 q8 Answers
8. A rare species of primrose is being studied. The population, P, of primroses at time t years after the study started is modelled by the equation
(a) Calculate the number of primroses at the start of the study. (2)
(b) Find the exact value of t when P = 250, giving your answer in the form a ln(b) where a and b are integers. (4)
(c) Find the exact value of dP/dt when t =10. Give your answer in its simplest form. (4)
(d) Explain why the population of primroses can never be 270 (1)
(b) Find the exact value of t when P = 250, giving your answer in the form a ln(b) where a and b are integers. (4)
(c) Find the exact value of dP/dt when t =10. Give your answer in its simplest form. (4)
(d) Explain why the population of primroses can never be 270 (1)