### Home > CALC > Chapter 7 > Lesson 7.2.1 > Problem 7-61

7-61.

How can you construct an equation that describes how the volume of Sam's head is changing over time?

*r* ≈ 1.954 _____

Be mindful of units.

7-61.

How can you construct an equation that describes how the volume of Sam's head is changing over time?

*r* ≈ 1.954 _____

Be mindful of units.