1. Incremental fuel cost
Matlap prog.
p=10:100;
f=10^6.*(40+(4.*p)+(0.012.*p.^2));
i=0.12*10^-6;
h=f./p;
c=i.*h;
figure(1)
plot(p,f)
figure(2)
plot(p,h)
figure(3)
plot(p,c)
output
plot (p,F)
Plot (p,h)

2. Plot (p,c)