A plane flying at an altitude of 6 miles above an antenna on level ground is on a path that will take it directly over the antenna. If d is the horizontal distance from the antenna to a point directly under the plane and x is the angle of elevation from the antenna to the plane, write d as a function of x. Describe in context any restrictions to the function and why they must be included.

Holt Mcdougal Larson Pre-algebra: Student Edition 2012
1st Edition
ISBN:9780547587776
Author:HOLT MCDOUGAL
Publisher:HOLT MCDOUGAL
Chapter1: Variables, Expressions, And Integers
Section1.8: The Coordinate Plane
Problem 30E
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Directions:
Write up the following problem. Grading will follow the rubric listed below.
Score of 4:
Correct answer in the most efficient way possible, along with a complete write-up that is to the
point, matches method/concept/context precisely, is well written and flows well.
Correct answer along with a write-up that follows the method/concept/context, and is well
written
Score of 3:
Score of 2:
Answer may be along the right track, but has mathematical errors, along with a write-up that
follows the method chosen, but has errors in flow and/or process.
Answer is missing the main concept/context and is incorrect, may have multiple mathematical or
processing errors, write-up is lacking key elements and/or has errors in flow and/or process.
If you do the problem correctly but don't include a write-up, the best you can score is 2.25
Score of 1:
NOTE:
A plane flying at an altitude of 6 miles above an antenna on level ground is on a path that will take it directly
over the antenna. If d is the horizontal distance from the antenna to a point directly under the plane and x is
the angle of elevation from the antenna to the plane, write d as a function of x. Describe in context any
restrictions to the function and why they must be included.
Transcribed Image Text:Directions: Write up the following problem. Grading will follow the rubric listed below. Score of 4: Correct answer in the most efficient way possible, along with a complete write-up that is to the point, matches method/concept/context precisely, is well written and flows well. Correct answer along with a write-up that follows the method/concept/context, and is well written Score of 3: Score of 2: Answer may be along the right track, but has mathematical errors, along with a write-up that follows the method chosen, but has errors in flow and/or process. Answer is missing the main concept/context and is incorrect, may have multiple mathematical or processing errors, write-up is lacking key elements and/or has errors in flow and/or process. If you do the problem correctly but don't include a write-up, the best you can score is 2.25 Score of 1: NOTE: A plane flying at an altitude of 6 miles above an antenna on level ground is on a path that will take it directly over the antenna. If d is the horizontal distance from the antenna to a point directly under the plane and x is the angle of elevation from the antenna to the plane, write d as a function of x. Describe in context any restrictions to the function and why they must be included.
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