The graph represents the cost of catering a dinner as a function of the number of guests.
What is the catering cost for a dinner with 40 guests?
$400
$600
$700
$800
![The graph represents the cost of catering a dinner as a function of the number of guests What is the catering cost for a dinner with 40 guests 400 600 700 800 class=](https://us-static.z-dn.net/files/d59/02a5c5dbf94809551753273add3e3eb3.png)