Without your graphing calculator, determine if the following functions are even, odd, or neither.
Explain how you determined your choice. Then, check your answer with your graphing calculator. Homework Help ✎
y = cos(3x)
You should know by now that y = cosx is an even function. But what about y = cos(3x)? What does the 3 do to the parent graph?
Compare to y = |x|.