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.

Finally

Random Questions from 2016 Prelims #12016-09-192017-02-19http://theculture.sg/wp-content/uploads/2018/03/the-culture-logo.pngThe Culture SGhttps://theculture.sg/wp-content/uploads/2016/10/yvl081tvnva-worthy-of-elegance.jpg200px200px

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Hi, the first part of the question appears as

“Given ” (no problem with anything from the word “for”).

yes, cos there is an error in the code