When a window is open, the temperature in a room falls 5ºF every 15 minutes. Before the window is opened, the temperature was
2 answers:
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Answer:
Option (a)
Step-by-step explanation:
Slope of a line passing through two points and
is given by,
Slope (m) =
Slope of the line passing through (-4, 3) and (6, 3) will be,
m =
m = 0
In other words, slope of any line parallel to x-axis is zero.
Therefore, Option (a) is the answer.