### Home > PC > Chapter 9 > Lesson 9.3.5 > Problem9-164

9-164.

Suppose that the distance traveled in the first $t$ seconds is $d\left(t\right) = 20t^{2}$. What is the velocity $v\left(t\right)$ at time $t$?

What is the slope function for $d\left(t\right)$?

$v\left(t\right) = 40t$