### Home > CALC > Chapter 2 > Lesson 2.3.3 > Problem2-127

2-127.

Pay attention to variance in the slope of the graph.

When does the fastest growth of the plant occur?

Estimate the slope of the secant line at t = 3.

$\approx \frac{3}{4}\text{ feet/month}$

The average rate of growth is the slope of the secant line between t = 0 and t = 5.