Need answers ASAP please

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

Consider the functions below. function 1 function 2 function 3 select the statement which is true about the functions over the interval [1, 2] a b function 3 has the highest average rate of change function 2 and function 3 have the same average rate of change. function and function 3 have the same average rate of change function 2 has the lowest average rate of change d.

Last one and the bottom answer choice is y=(x-4)^2+1 you guys!