What is the value of x?

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

Scenario: a rectangular plot of ground is 5 meters longer than it is wide. its area is 20,000 square meters. question: what equation will you find the dimensions? note: let w represent the width. options: w(w+5)=20,000 w^2=20,000+5 (w(w+5))/2=20,000 w+2(w+5)=20,000

Once george got to know adam, they found that they really liked each other. this is an example of what factor in friendship