The table below shows world gold production,1 G = f (I), as a function of year, t. mammm 2990 3100 3110 3230 3300 t (year) (3 (metric tons) 1Wirlrwstatistacom, accessed March 12, 2020. (a) Doesf' (I) appear to be positive or negative? What does this mean in terms of gold production? f'(t) appears to be positive v .This means that the production of gold is increasing v . eTextbook and Media (b) In which time interval doesf'. (I) appear to be greatest? f'(t) appears to be greatest between a 2016 and n 2017 eTextbook and Media (c) Estimatef' (2018). Give units and interpret your answer in terms of gold production. f'(2018)m n 70 metrictons/year V In 2018, gold production was increasing v at a rate of n eTextbook and Media (d) Use the estimated value off' (2018) to estimate f(2019) and f(2023). f(2019) ~ i f(2023) ~ i e Textbook and Media