5054+5054 then 5054-162 then you have your answer
The answer to the equation is 9 I hope this helps you
ANSWER

EXPLANATION
The average velocity of the ball is the rateof displacement over the total time.
The height of the ball, in feet, after t seconds is given by the function:

At time t=1, the height of the ball is


At time t=6, the height of the ball is



The average velocity



