Find the area of a triangle if the base is 8.2m and the height is 4.6m.
2 answers:
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C.
If you multiply a function by , you are inverting its sign. It means that you have the parent function
, and the child function
.
This means that, if you choose the same input , it will be mapped once to
, and once to
.
So, if you draw the two graphs, you will associate two opposite values to the same
value.
This kind of transformation, is exactly a reflection with respect to the
axis.