![\"\"](\"/userfiles/image/steps_images/step1.JPG\")
Observe the table,
\a.
\Find the type of function.
\The rent is constant in each interval.
\Therefore,the situation is best modeled by a step function.
\ ![\"\"](\"/userfiles/image/steps_images/step2.JPG\")
b.
\Write and graph a function.
\The function is ![\"\"](\"/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=82d45f2cf967cf499335a6a4c1d46fcf.png\")
.
Graph:
\Graph of the function is ![\"\"](\"http://www.mathskey.com/test/fckeditor/editor/plugins/fckeditor_wiris/integration/showimage.php?formula=82d45f2cf967cf499335a6a4c1d46fcf.png\")
.
![\"\"](\"/userfiles/23-106-32(1).gif\")
![\"\"](\"/userfiles/image/steps_images/solution.JPG\")
a. The rent is constant in each interval.
\b.
\Graph:
\Graph of the function is .