Temperature
of a Rod
$
Temperature (°C)
The graph shows the
relation between the
temperature of a metal rod,
y°C, and the time, x
minutes, it has been heated
over a fire.
10
Time (min)
A. Tell whether the relation is a linear function. Then tell
whether the function is increasing or decreasing.
B. Write an algebraic equation to represent the function.
C. Describe how the slope and y intercept are related to
the function.