Adding functions  Relations and Functions
Adding functions
Basic concepts:
 Adding and subtracting polynomials
 Function notation
 Function notation (Advanced)
 Operations with functions
Related concepts:
 Power rule
 USubstitution
 Integration by parts
Lessons
Notes:
adding functions: $(f+g)(x) = f(x)+g(x)$

2.
Determine the Sum of Two Functions Graphically
Given the graphs of functions $f(x)$ and $g(x)$