Exercise 2.4.2 Check whether f(X ) = X + 1 is a linear function.Exercise 2.4.4 In SageMath, pick a function and a point on the function. Plot the function at several magnification levels. Describe what you see.Exercise 2.6.5 Find the Riemann sum for f(X) = X2 + 5 between X = 0 and X = 2 using a step size of 0.5.Exercise 3.2.4 Find the equilibria of X' = 0.1X(1 - ) - 0.05X and use test points to determine their stability