YJC P1 Q4
Given for . If and , sketch the graph of for .
Here, we need to consider what and mean first.
tells us that a reflection about the y-axis.
tells us that every units, is a reflection about the x-axis.
We start by drawing on the GC.
We obtain the above graph but notice we only want . I can’t really add in the axial intercepts here.
Using , we have the graph from to .
Then, with , we have.