Question

according to the graph, how long does it take the ball to reach maximum temperature?
6 weeks
52 weeks
13 weeks
24 weeks

Explanation:

Step1: Locate maximum on graph

Find the highest - point on the temperature - time graph.

Step2: Read x - value

The x - value (weeks after spring equinox) at the maximum temperature point is around 13 weeks.

Answer:

13 weeks