Question

Whats the rate of change of the graph

Answer 1

Option D, -0.2 F per hour

Explanation:

Step 1: Find the slope

The slope is 2/5 = -0.4 but that is for 2 hours

Step 2: Find the hourly rate

-0.4 / 2 = -0.2 this gives us the hourly rate

Answer: Option D, -0.2 F per hour