Write a program to graph the following equation in the interval. The interval step size is 0.5. Calculate the values in main program. Write a function to print the output graph as follow. v = 75 * * exp(-t); Sample output 0 10 20 30 40 0.0 * 0.5 1.0 1.5 2.0 2.5 3.0 3.5 4.0 4.5 5.0