What is 1/2p-8=40. (don't mind this part )

Given the parent function of [tex]f(x)=x^4[/tex], what change will occur when the function is changed to [tex]f(\frac{1}{2} x)[/tex]?

If c(x) = 4x – 2 and d(x) = x2 + 5x, what is (cxd)(x)

Which equation represents the function on the graph?