Question

during 30 minutes on the treadmill, latoya burned 20 calories per minute. what is the rate of change of the function that represents this situation?

10 calories per minute
20 calories per minute
30 calories per minute
50 calories per minute

Explanation:

Identify the variables

Using the Linear Equation Interpretation knowledge point

$$
LATEXBLOCK0
$$

Determine rate of change

The problem states LaToya burns 20 calories per minute.

$$ \text{Rate of change} = \frac{\Delta y}{\Delta x} = 20\text{ calories/minute} $$

Match with options

The rate of change is 20 calories per minute.

Answer:

• 10 calories per minute
• 20 calories per minute (Correct answer)
• 30 calories per minute
• 50 calories per minute