Is the graph a linear function, nonlinear function, or relation?

How long would it take for a ball dropped from the top of a 576-foot building to hit the ground? round your answer to two decimal places.

Three times the difference of federico’s age, and 4, increased by 7, is greater than 37. what are possible values of federico’s age?

Given the function f(x) = log base 4(x+8) , find the value of f^-1(2)