I will sit down, if there is an open chair.
Answer:
t=11 sec
Step-by-step explanation:
The position of the particle moving along the x-axis is given by:

The velocity is given by:

If s'(t)>0 then the particle is moving right.


This means that the particle is moving left when

The particle changes direction at time t=1 or t=11
Answer:
C
Step-by-step explanation:
Since the sign is not
, and it is <, then you'd choose the option with the dotted line showing it isn't inclusive.
There should be 45 pages for each topic