If g(1)=0 and g(2)=5 using this equation g(n)=g(n−2)+g(n−1) what does g(3) equal?

Answer 1

g(n)=g(n-2)+g(n-1) Plugging in 3

g(3)=g(3-2)+g(3-1) Simplify

g(3)=g(1)+g(2) Subbing in values provided

g(3)=0+5

g(3)=5

Answer 2