HW1

% Define x
x= linspace(-1,1,70);

% Define y1
y1= ((sin((pi)*x))/1+(x.^2));

%Define y2
y2= (1/1+(x.^2));

% Define y3
y3= -1/1+(x.^2);

% Plot y1
plot (x,y1,'b-');
hold on

% Plot y2
plot (x,y2,'r--');

% Plot y3
plot (x,y3,'g--');
hold off

% Add Legend
legend('y1 equation','y2 equation','y3 equation');

% Label X-axis
xlabel('x axis')

% Label Y-axis
ylabel('y axis')

% Add title
title(' Y Function Graph ')