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).
2) The equation of the tangent line is
A city is 7,642 feet above sea level. Is this elevation closer to the highest point or the lowest point?
1 answer:
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Answer:
The flight was 137.45 miles farther than the direct path.
(make slight changes if directions were given on how to round. This is to the nearest hundredth)
Step-by-step explanation:
Use the Law of Cosines.
c^2=
a^2+b^2-2abcosC
You know two sides and the angle in between. The Law of Cosines will give us the third side.
The third side is the direct path of the airplane. We'll add the two other given sides to find the detour route that they took instead.
Then subtract the smaller number (direct route) from the actual route. See image.
X5 • (3x3 - 2) • (4x + 5)
