Consider the following function: h(x)(1 +e*) dx Using the following parameters in your functions: func: the function/equation that you are required to integrate a, b: the integration limits n: the number of points to be used for the integration I: Integral estimate A. Write a function capable of performing numerical integration of h(x) using the composite B. Write a function capable of performing numerical integration of h(x) using the composite C. Calculate the absolute percentage error between MATLAB's integral estimate and the results of trapezoidal rule. Use your function to solve the equation with 7 points. Simpson's 1/3 rule. Use your function to solve the equation with 7 points. part A and B