In Fairfield you can go to a coffee shop and pay to use their Internet service. If $x$ represents the number of minutes you are online, where $x0$, then the function defined by $f(x)=.50 \llbracket x \rrbracket+1.50$ gives the total cost in dollars.
(a) Using dot mode and the window $[0,15]$ by $[0,10]$, graph this function on a graphing calculator.
(b) Use the graph to find the cost of being online for 6.5 minutes.

Question

In Fairfield you can go to a coffee shop and pay to use their Internet service. If $x$ represents the number of minutes you are online, where $x>0$, then the function defined by $f(x)=.50 \llbracket x \rrbracket+1.50$ gives the total cost in dollars.
(a) Using dot mode and the window $[0,15]$ by $[0,10]$, graph this function on a graphing calculator.
(b) Use the graph to find the cost of being online for 6.5 minutes.

Quizplus · Accepted Answer

The Answer of In Fairfield you can go to a coffee shop and pay to use their Internet service. If $x$ represents the number of minutes you are online, where $x>0$, then the function defined by $f(x)=.50 \llbracket x \rrbracket+1.50$ gives the total cost in dollars.
(a) Using dot mode and the window $[0,15]$ by $[0,10]$, graph this function on a graphing calculator.
(b) Use the graph to find the cost of being online for 6.5 minutes.

In Fairfield You Can Go to a Coffee Shop and Pay