UWU PLEASE HELP! my grade is depeneding on it! it would mean alot if you could help and tell the truth! each question has more than one number answer!

(if f(x)=4x^2 and g(x)=x+1, find (f o g)(x)

Areal estate agent earns $32,000 a year plus $1,000 for each apartment he sells. write an equation that shows the relationship between the number of apartments abe sells,n, and the total amount he earns in a year,e. what is the total amount abe would earn from selling 10 apartments in one year

Which expressions are equivalent to k/2 choose 2 answers: a k-2 b 2/k c 1/2k d k/2 e k+k