0.8-0.3x 1. Write a MATLAB code for finding the root of f (x) method. Use initial guesses of xH and xu 3 with an error tolerance of 0.01 2. Write a MATLAB code for finding the root of f(x)- 2sin(x)-x by Simple Fixed-Point Iteration. Use an initial guess x-0.5, with an error tolerance of 0.001 3. Write a MATLAB code to plot the function f(x)-2x-2-sin(x) in the interval [0,100] with an increment of 4. Write a MATLAB code for the following function, which takes an input, x and returns the result of f(x)-25-1. (Hint: Use 'function end' code ) 5. Write a Matlab code the for the solution of the following system of linear equations by Gauss Seidel Method with a tolerance of error= 0.05 with initial guesses: x,-1, x2=1, x,-1. by F alse-position 8x1-x2 + 3x3 = 25 3x1 +24x2 +5x3 87 X1-8X2-16x3 =-108