What property is this ?

a(b + c) = ab + ac

[15 points, algebra 2]simplify the complex fraction and find the restrictions.

What is the effect on the graph of the function f(x)=x when f(x) is replaced with -f(x)+4

Pleas ! i just cant seem to get it right! choose: congruent or proportional choose: cf or ce or bc choose: segment addition postulate or cpctc