please help me, i need this in for tomorrow
the question is:
f( x)=2x-1 g(x)=3-2x h(x)= 1/4(5-x)
a) Find a formula for k(x) where k(x)=f [g(x)]
b) Find a formula for h [k(x)]
c) What is the connection between the functions h and k.
Please help, I really have no idea what to do.