Question: A computer graphics specialist models light intensity $ I(x) $ along a surface as $ I(x) = \frac1x^2 + 4x + 5 $. If the cumulative visual effect over points $ x = 1 $ to $ x = n $ is modeled by $ C(n) = \sum_x=1^n I(x) $, find $ C(4) $. - Appfinity Technologies