Answer:
y = -12x
Step-by-step explanation:
We assume you're concerned with the form ...
y = kx
Putting -12 for k gives ...
y = -12x . . . . . the first choice
_____
<em>Additional comment</em>
The answer will depend somewhat on the context of the question. If you're studying proportions, then "k" is the constant of proportionality as shown above.
If you're studying function translations, then "k" is the vertical translation, as in ...
y = m(x -h) +k
In this case, the equation y = x -12 will have a "k" value of -12.
The computation shows that person started at the 2nd floor.
<h3>How to compute the value?</h3>
Let the initial floor be x.
From the information, the elevator moves up 6 floors, down 4 floors, and up 3 floors. you are then at floor 7.
This will be:
x + 6 - 4 + 3 = 7
x + 5 = 7
x = 7 - 5
x = 2
Therefore, the person started at the 2nd floor.
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Answer:
B) There tends to be a linear association between variables
c) the data includes one or more outliers