Question

Describe the transformations required to obtain the graph of the function f(x) from the graph of the function g(x).
(x) = cos (x/3); g(x) = cos x

Answer 1

to get f(x), you must horizontally stretch g(x) by 3

Answer 2

remember everything that involves x is like the opposite

Answer 3

and is horizontal

Answer 4

oh right, thanks.