The altitude in feet of a plan minutes after is given by =3400 +600. How many after liftoff is the plane at an altitude of 21,00
1 answer:
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Answer:
Yes, the table represent a direct variation
Step-by-step explanation:
we know that
A relationship between two variables, x, and y, represent a direct variation if it can be expressed in the form or
In a direct variation the constant of proportionality k is equal to the slope m of the line <em><u>and the line passes through the origin</u></em>
In this problem , if the table represent a linear function, then the table represent a direct variation
<u><em>Verify</em></u>
For x=3, y=1
Find the value of the constant k of proportionality
---->
For x=6, y=2
Find the value of the constant k of proportionality
---->
For x=9, y=3
Find the value of the constant k of proportionality
---->
The values of k are equal
therefore
The table represent a direct variation