21-8=13 so hope that helps x
For functions, there is only many input values, but there can be only one output value, and there can be no identical x values. For this, x=3.2. If y= 2*3.2 - 1, then y=5.4.
41, because the ratio is the same
A relation<span> from a set X to a set Y is called a </span>function<span> if each element of X is related to exactly one element in Y
</span>
60m-75m=32
75-60
15=m
I belive, Im not too sure
