Answer:
2 doughnut boxes
Step-by-step explanation:
6+6=12
12=1 box
and the other 3 can go in a different box which would be 2 boxes
2^x=1/16
2^x=1/2⁴
2^x=2-⁴
x=-4
There are many. Two examples are
There are many examples. The simplest is
1 -
It is trivial that
2 -
That function is injective as well.
An example of a function that is NOT injective is
Notice that