Answer:
A. (x,y)=(2b,2b+7)
Step-by-step explanation:
We have the function [tex]f(x)=x+7[/tex] and we have to replace x=2b in the function.
Observation: [tex]y=f(x)[/tex]
This means:
[tex]f(x)=x+7\\f(2b)=2b+7\\y=2b+7[/tex]
Then when x=2b, y=2b+7. The ordered pair corresponding to x=2b is
(x,y)=(2b,2b+7)
