Work out the value of 4x-5 when x=0.5

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]?

One card is dealt from a 52 card deck. find the probability that the dealt card is a 4 or a black 7

He concluded that a heavier object dropped from the same height as a lighter object will land