Use properties of functions to match each of the following functions with its graph. Do not use your calculator. Clicking on a graph will give you an enlarged view.

A B C D  1. $f(x) = -1/(x^2 + 4^2)$

A B C D  2. $f(x) = 3 cos(x/2) - 1$

A B C D  3. $f(x) = x^2/(x^2 + 4^2)$

A B C D  4. $f(x) = - x^2/(x^2 + 4^2)$

A	B

C	D