### Home > PC > Chapter 9 > Lesson 9.3.5 > Problem 9-158

9-158.

Sketch the distance function

*d*(*t*) = 3*t*^{2}. Homework Help ✎Find the slope of the tangent line at

*t*= 3.Find the slope of the tangent line at any point

*t*.How is the expression in part (b) related to the function in problem 9-157?

They are the same.