The answer could be 54.6807 the speed of the ball
Answer:
x=20
Step-by-step explanation:

Do $15,000x.014x2
--
$15,000x.014=$210
$210x2=$420
Answer:
Equation of tangent will be 
Step-by-step explanation:
We have given the function 
We have to find the equation of tangent at the point 
Equation of tangent is equal to 
So 
Now we have given point
So putting these points in the equation of tangent


Now equation of tangent passing through 

