im trying to plot a function i need help with it

the questions says

plot the function

y = 50*2.5^-3x

in the interval 0<x<20

in steps of 0.5 

it should be in either log-log or semi-log scale

i need help

thank you

[Matt Fig]

manar, you are dumping a lot of homework on this site without showing any hint of effort. What have you done so far?

[Matt Fig]

Did you read this:

help plot
help loglog
help semilogx
help semilogy

[bob shot]

lol it actually worked thank you. did you get my message professor?