question 1

\fJ]. [6 marks] The atmospheric {If}: levels at Manna Lea have been changing at a rate of change in {ppm}, since 19%. given by: (Jim = [UM-4t + [L55 + e: mum}. where t is in vears with :t = I] being 195\". 59 [3} Compute fff} d! and interpret the result. I] (b) If the initial atmospheric CO2 levels in 1960 were recorded to be 316 ppm, determine the average atmo- spheric levels from 1960 to 2019 (to 3 decimals)