The reciprocal parent function would be, F(x)= 1/x
A=-10 all you do to find a is simply add 2 to both sides of the equal sign
You did not specify the brother's age, so I make a expression, <em>b</em> as the variable.
(3<em>b</em> + 5) - 11
Now do that with the brother age instead of the variable.
