Question

solar panel energy production
what does 2 represent in the ordered pair (2, 600)?
2 watts
2 minutes
2 hours
2 days

Explanation:

The x - axis of the graph is labeled "Hours" and in an ordered pair (x, y), the first value represents the x - coordinate. So, in the ordered pair (2, 600), 2 represents the number of hours.

Answer:

2 hours