hello!
let's find the value of h(2)
we know that
h(r)=5r-5
which means
h of r is 5 times r minus 5
hence
h of 2 is 5 times 2 minus 5
simplify:
h(2)=5(2)-5
h(2)=10-5
h(2)=5
note:-
- Hope everything is clear; if you need any more explanation/clarification, kindly ask me, and I will comment and/or edit my answer :)