Question 791910
f(x) = 5x - 10


f(g(x)) = 5( g(x) ) - 10


f(g(x)) = 5( x+3 ) - 10


f(g(x)) = 5x+15 - 10


f(g(x)) = 5x+5


f(g(-1)) = 5(-1)+5


f(g(-1)) = -5+5


f(g(-1)) = <font color="red">0</font>