1) Find the derivative

and

.
2) The equation of the tangent line is

, so at point (2,6):

and


-the equation of the tangent line at point (2,6).
1/40 in 30 mins = 2/40 in 1 hour
2/40= 0.05 miles per hour
Answer:
(4,10)
Step-by-step explanation:
7-3= 4
5=5=10