Solve make a equation, explain and draw a picture

Which represents the inverse of the function f(x) = 4x? h(x) = x + 4 h(x) = x – 4 h(x) = x h(x) = x

Gretchen is setting up for a banquet. she has 300 chairs and needs to distribute them evenly among t tables. how many chairs should she put at each table? write your answer as an expression.

If you shift the linear parent function, f(x)=x, up 13 units, what is the equation of the new function?