Suppose $f(x) = \frac{1}{4} x^2$.

(a) Find a formula for $y = f(x - 13)$ in terms of the variable $x$.
$y = f(x - 13) =$ help (formulas)

(b) Sketch a graph of $y = f(x-13)$ on paper using graph transformations.
Select the letter of the graph A-E that matches your graph: ? A B C D E

A		B		C
D		E