SOLUTION: Which statement descibes the change to the graph of f(x)=2x+1 when f(x)=2x-1 is graphed? Answer Choices: A) The y-intercept changes from 2 to -2. B) The x-intercept changes

Algebra ->  Graphs -> SOLUTION: Which statement descibes the change to the graph of f(x)=2x+1 when f(x)=2x-1 is graphed? Answer Choices: A) The y-intercept changes from 2 to -2. B) The x-intercept changes       Log On


   



Question 66108: Which statement descibes the change to the graph of f(x)=2x+1 when f(x)=2x-1 is graphed?
Answer Choices:
A) The y-intercept changes from 2 to -2.
B) The x-intercept changes from -1/2 to 1/2
C) The slope of the graph changes from 1 to 2.
D) The graph of the line moves left 1 unit.

Answer by Earlsdon(6294) About Me  (Show Source):
You can put this solution on YOUR website!
Let's graph the two lines and you can see the change for yourself.
graph%28300%2C200%2C-3%2C3%2C-5%2C5%2C2x%2B1%2C2x-1%29
Red line: f(x) = 2x+1
Green line: f(x) = 2x-1