### Home > PC > Chapter 9 > Lesson 9.3.1 > Problem 9-98

9-98.

When *x* = 3, the instantaneous rate of change of *y* = *x* = 3. Homework Help ✎

The instantaneous rate of change is the slope.

Evaluate the equation of the curve for *x* = 3. Now you have a point on the tangent line.