11. A local community group, which, to date,t=0, has planted 25 trees at public parks in the Acadiana area and is continuing to beautify the area's parks. Their linear growth model yields an annual trend,y/x, of.5trees per year. a. How many trees are expected to be attributable to the group in 12 years,t=12? b. How many trees are expected to be attributable to the group in 20 years,t=20? c. How many trees are expected to be attributable to the group in 35 years,t=35?