Two calc word problems that have to do with finding subscribers and using the midpoint

A local cable TV provider has 26,800 subscribers and is adding subscribers at a rate of 410 per month. The proportion of subscribers who remain t months from now is e0.09t_ How many subscribers will there be in three years? (Round your answer to the nearest integer.) i X subscribers /_I\\. Your work in question(s) 19 will also be submitted or saved. SupmrtAsegnmenx Sawmignment Prograss The graph of the concentration function C(t) is shown after a 7-mg injection of dye into a heart. Use the Midpoint Rule to estimate the cardiac output. (Round your answer to four decimal places. Use n = 8 subintervals to calculate the Midpoint Rule.) L/s O' IIIIII IIIIII IIIIIII IIIIII Ill-III. IIHIIIII IMIIIIII IIIIIII IIIIIIII "IIIIIII IIIIII III!!! III... IHIIII IHIIII IIIIII "IIIII IIIII IIIIII 0 2 4 6 8 10 l2 14 f (seconds)