Question

The cost of a long-distance phone call, in cents, can be modeled by the ceiling function whose graph is shown.

How much does it cost to talk for 3.1 minutes?

2 cents
3 cents
4 cents
5 cents

Answer 1

wht u think

Answer 2

Start at 3.1 on the x axis. Draw a vertical line up until you reach the function curve. Then draw a horizontal line until you reach the y axis. See the diagram below for a visual of what I mean.