The table lists future concentrations of CFC 12 in parts per billion (ppb), if current trends continue.(a) Let x=0 correspond to 2000 and x=20 correspond to 2020. Find values for C and a so that f(x)=Ca^x models the data.(b) Estimate the CFC 12 concentration in 2013

The table lists future concentrations of CFC 12 in parts per billion ppb if current trends continuea Let x0 correspond to 2000 and x20 correspond to 2020 Find v class=