When the air conditioner inside a car is turned on, the temperature inside the car decreases at
a constant rate. The table below shows the
temperature, t, in, m, minutes after the air
conditioner is turned on.
t
80
2
4
8
10
65
60
Which of the following is the rate of change of
the temperature per minute?

The height of a birch tree, f(x), in inches, after x months is shown in the graph below. how much does the birch tree grow per month, and what will be the height of the birch tree after 10 months? a. the birch tree grows 1 inch per month. the height of the birch tree will be 16 inches after 10 months. b. the birch tree grows 2 inches per month. the height of the birch tree will be 26 inches after 10 months. c. the birch tree grows 3 inches per month. the height of the birch tree will be 36 inches after 10 months. d. the birch tree grows 2 inches per month. the height of the birch tree will be 24 inches after 10 months.