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Question
The table shows the temperature of a greenhouse where the temperature was taken after x hours.


Greenhouse Temperature

Hour, x Temperature (ºF), y
0 50
5 60
8 66
9 68
13 76
15 80

When these data are graphed on a coordinate grid, the points all lie on the same line.

Complete the statements below about the data by selecting the correct choice from each drop-down menu.

The initial value, or y-intercept, of the linear function is
and represents the starting
.
The rate of change is
and represents
.
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Answer 1

The initial value, or y-intercept, of the linear function is 50 and represents the starting temperature.
The rate of change is 2 and represents how much the temperature increases per hour.