Answer:
Step-by-step explanation:
(fg)(x) )
=
= 
Photomath is a good one. So is KhanAcademy, but I don't know if they have an app version of the website.
|x| this means absolute value making what ever number in the inside positive UNLESS you have a negative out front. Ex |8|=8. -|8|=-8. |-8|=8
Answer:
mesure of b is what hahhahaha