Vedunejdjwndhje
AND THEN WHAT
Answer:
Teo is 6 and Richard is 23
ANSWER

EXPLANATION
The given function is

To find f(a+2) we substitute x=a+2.
That is wherever we see 'x' we replace it with 'a+2'

We simplify further to obtain:

This is defined for

Simplify the radical by breaking the radicand up into a product of known factors.
3