Solve the system of equations below by graphing both equations with a pencil and paper. What is the solution? y=-x-1 y=x+3
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Answer:
The term angle of elevation denotes the angle from the horizontal upward to an object. An observer's line of sight would be above the horizontal. The term angle of depression denotes the angle from the horizontal downward to an object. An observer's line of sight would be below the horizontal.
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