If three equal subdivisions of [-4, 2] are used, find the trapezoidal approximation of ∫ (e^(-x))/2 dx from -4 to 2? Answer: (1/2)(e^4+2e^2+2e^0+e^-2) Please show all your work. 2/1/2014 | Sun from Los Angeles, CA | 0 Answers | 0 Votes Mark favorite Subscribe Comment