plotting more than 10 graphs in one plot

i need to plot the function y = c*exp(t) when c need to run between 1 to 1000. what should i need to write?

Answer 1

[KSSV]

t = 0:1:60 ;
c = 1:100 ;

[T,C] = meshgrid(t,c) ;

Y = C.*exp(t) ;

surf(C,T,Y)

Answer 2

[KALYAN ACHARJYA]

%You can change C value as per desired range for c=1:1000

%Here shown for c 10 graphs only

 t=0:.1:10;
for c=1:1000
   y=c*exp(t);
   plot(y);
   hold on
end 
hold off;