Answer:
y=1/2x-3
gradient = 1/2
also should satisfy the given coordinates
Answer:

Step-by-step explanation:
The angle of elevation
It is
away from the point.
If we imagine a right triangle having an angle
.
Hypotenuse
, Opposite=Height from sea level

Option A. is correct for the given condition.
Lets solve it through steps of range and functions,
First of all, Solve the equation:

(1)
(2)
So these would be the ranges of X in between 5 and -5.
Hence option A.
is correct.
Learn more about range and functions on:
https://brainly.ph/question/10400053
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Answer:
x>9
Step-by-step explanation: