Write a matlab code;

f, g and h functions are given below. Do the given mathematical calculations by using symbolic toolbox.

= 3 2 + 5 15 + 8 9 = 8 2 + 5 2 + 2 17 = 4 3 + 5 2 + 8 4

a) Set the functions

b) Find the solution of f at x=2 and y=-3

c) Plot the f function between the values of -10 to 15

d) Find the differentiate of g function with respect the variable t

e) Find the solution of h function at a=5