Let

<u>Find the sum of the mixed numbers x and y</u>

therefore
<u>the answer is</u>
Yes, the sum of two mixed numbers be equal to
, only if you include a negative mixed number
Reflection is when the pre-image is flipped over a line.
Divide 4 on both sides, x=6.4/4 which is 1.6
f(x)=x-4f(3)=3-4so f(3)= -1