Need ASAP I will mark brainless to

HELPPP it’s a exam btw

There were 816 people at a concert when a band started to play. after each song, only half the people stayed to hear the next song. how many people were left at the concert after x songs? write a function to represent this scenario.

For f(x) = 3x+1 and g(x) = x2 - 6, find (g/f)(x)

Question 14 (1 point) larry deposits $15 a week into a savings account. his balance in his savings account grows by a constant percent rate.