clc
clear

h = @(z) 6 * exp(z);
g = @(y) 3 * cos(y);
f = @(x) x.^2;

composite_function = @(x) h(f(g(x)));

x_range= 0:0.1:4;

fplot(composite_function, [0,4]);
xlabel('X');
ylabel('6e^3cos(x^2)');
title('Plot of 6e^3cos(x^2)')