e) Given your answers to parts a.) and b], what. do you think the true area. under f(:l:) from 0 to 4 is? Explain your reasoning. Problem 18: (Adapted from Lyryx Calculus) Let f(1) = r2 + 3:: + 2. 3.) Approximate the area. under f(3:) from I = 0 to I = 2 using 4 subdivisions and tho LeftHand Rule. 1)) Approximate the area. under f(r) from I = 0 to :1: = 2 using 4 subdivisions and the RightHand Rule. Problem 16: (Adapted from CLP Calculus) Suppose a population of bacteria is growing at a rate of 100e2t after t hours. How long does it take for the initial population to grow by 300 bacteria