PLEASE HELP ME!!!

the cable company charges a one-time startup fee of $30. the function h(x) represents the total cost of cable service. Write h(x) as a transformation of g(x)
a) h(x)=g(x)+30
b) h(x)=30g(x)
c) h(x)-g(x+30)
d) h(x)=g(30x)
Show work if you can!!!