Mathematics 10c Unit 5 Student Worksheets With Answer Key Page 35

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Linear Functions
LESSON FOUR - General Form
Ax + By + C = 0
Lesson Notes
Example 8
There are 400 Calories in one bowl of dry cereal.
a) Write an equation that relates the amount of Calories
to the number of bowls. State the dependent and
independent variables.
b) Why is this relation a function? Write the relation
using function notation.
c) Graph the relation. Why can it only be graphed as C vs b?
C(b)
4000
3600
3200
2800
2400
2000
1600
1200
800
400
1 2 3 4
5
6 7 8 9
10
b

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