Question

4
ellen made pudding for dessert. she collected data on the temperature of the pudding as she was cooking, as graphed below.

graph of pudding temperature over time: x-axis (time in minutes) from 0 to 20, y-axis (temperature in °f) from 0 to 160, line starting at (0, 80) and increasing

what was the original temperature of the pudding?

a. 45°f
b. 180°f
c. 100°f
d. 90°f

Explanation:

Step1: Identify original time point

Original temperature is at time \(x=0\) minutes.

Step2: Find y-intercept of the graph

The line starts at \(y=90\) when \(x=0\). This is the original temperature.

Answer:

D. 90°F