- #1

Triple88a

- 18

- 0

## Homework Statement

I have to find the average velocity of an equation from time 2 to time 4. This equation here is of the position.

P = -5*t^3+5*t^2 -4*t.

**2. The attempt at a solution**

Since this is the position i have to take derivative of that.

-15t^2-10t-4

Then i substitute 2 for t and i get -44 then i substitute 4 and get -204

( -44 + -204) / 2 = -124 average velocity. Is this correct? The website where i submit my answers to says it's wrong.

Thanks in advance.