0.74 as a fraction in simplest form

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]?

Which statement accurately explains whether a reflection over the x-axis and a 180° rotation would map figure acb onto itself?

Ineeeeed this is due tomorrow and i dont know the answer can you find all the exponents