Answer:
g = 10
Step-by-step explanation:
(Assuming that x=1 is the first x and x=2 is the second...)
g(1) = 2(2) + 6
Simplify, g x 1 = g and 2 x 2 = 4
g = 4 + 6
Simplify, 4 + 6 = 10
Hope this helps :)