Mathematics 10c Unit 5 Student Worksheets With Answer Key Page 23
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48Linear Functions
LESSON THREE - Slope-Point Form
y - y
= m(x - x
)
1
1
Lesson Notes
Example 5
A cylindrical tank contains an unknown amount of water.
If water is added to the tank at a rate of 5 L/min for
12 minutes, the volume of the water will be 89 L.
a) Write an equation for the volume of the tank as a
function of time. Draw the graph.
V
200
150
100
50
t
5
10
15
20
b) What is the volume of water in the tank after 17 minutes?
c) The maximum volume of the tank is 134 L. How long can the tank be filled before it overflows?
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