Question 1134758
<pre>

If you have the plot of the function  f(x),

then the plot of the function  g(x) = f(-x)  is obtained by the mirror reflection about y-axis.



      It is ALL that you need to know about such transformations.
</pre>

Solved, answered and explained.



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Regarding the last line in your post


<pre>
    points(-2,0),(0,2),(3,-1).
</pre>

please note that this fragment is incomplete sentence, not connected with the rest of the post.


It does not contain a question and is not a completed phrase in English, so its meaning is DARK.


Avoid using such nonsensical passages in your post . . .