x=0:0.01:10;
figure
y=(x.^2)+(3*x)-1
z=(2*x)+4
plot(x,y,x,z)
figure
subplot(1,2,1)
y=sin(x)
plot(x,y)
subplot(1,2,2)
y=cos(x)
plot(x,y)
figure
y=(x.^3)
z=tan(x)
plot(x,y,x,z)
figure
subplot(1,4,1)
y=log10(x)
plot(x,y)
subplot(1,4,2)
y=log(x)
plot(x,y)
subplot(1,4,3)
y=1*x.^-1
plot(x,y)
subplot(1,4,4)
y=1*x.^-2
plot(x,y)