help a girl out bc im strugglinggg also, these are two different questions, you can answer both or one of them thank you so much in advance

Step-by-step explanation:
yes the f( x) and g( x) is inverse each other.
f(x) = 3x-5
3x-5=0
x=5/3
g(x) = x+5/3
5x/3
x=3/5