Iwill give brainliest but you need to explain how you received the answer so i can learn how to do it on my own/// ! what is the value of x?

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

Jane moves from a house with 71 square feet of closet space to an apartment with 45.44 square feet of closet space. what is the percentage decrease of jane’s closet space?

Asales representative from a local radio station is trying to convince the owner of a small fitness club to advertise on her station. the representative says that if the owner begins advertising on the station today, the club's total number of members will grow exponentially each month. she uses the given expression to model the number of club members, in hundreds, after advertising for t months.