Answer:
4. / D.
Step-by-step explanation:

By looking at the graph and seeing which point crosses the y axis. This point will always have an x coordinate of zero.
5.67 (performed on a calculator)
Answer:
2.3 2.389 2.39 2.4 2.41
Step-by-step explanation:
2.3<2.389 (2,39)<2.39<2.4<2.41