The function is .
Rewite the function as .
The y-intercept is , so plot the point .
The slope is . Starting at , plot another point by moving 1 unit right
and 1 unit up.
Draw a line through the two points.
The graph of is A.
![\"\"](\"../../../userfiles/image/steps_images/step1.JPG\")
![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=043b6104f5b300909f8d3ae65a8e544b.png\")
.![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=9bcbcb6eca70b094e1ff3755ffa6314c.png\")
.![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=e4da73bf322daabc0435b28938e7cc82.png\")
, so plot the point ![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=b0f2f827f895eeaef1e160f9c9e92f0b.png\")
. ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=feba6cfc473cb7fb4dbde97698e13941.png\")
. Starting at , plot another point by moving 1 unit right![\"\"](\"/userfiles/18.gif\")
![\"\"](\"../../../userfiles/image/steps_images/solution.JPG\")
![\"\"](\"plugins/fckeditor_wiris/integration/showimage.php?formula=043b6104f5b300909f8d3ae65a8e544b.png\")
is A.