So that's right over there. Use the data in the table to approximate the rate at which the temperature of the tea is changing at time t equals 3.5. Show the computations that lead to your answer. So they give us a bunch of points. Let's just graph this just so we can visualize what this data is telling us a little bit, and I suspect that this might be useful. So this right over here is our temperature axis. This is our temperature at any moment in degrees Celsius, and then this is our time axis, and they gave us the time 0, 2, 5, 9, and 10, or they gave us the temperature at those times.