Answer:
B
Explanation:
This is easier to follow if you write it out the long way.
g(x) = (x + 3)/x
g(f(x)) = (f(x) + 3)/f(x)
g(x^2 - 7) = (x^2 + 7 + 3)/(x^2 + 7)
g(x^2 - 7) = (x^2 +10 ) / (x^2 + 7)
g(-5) = ( (-5)^2 + 10) / ( (-5)^2 + 7)
g(-5) = ( 25 + 10) / (25 + 7)
g(-5) = 35/32