Functions Worksheet - Big Ideas Math Prealgebra: A Florida Standards Curriculum Teaching Edition Page 10
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47Representations of Functions
6.2
How can you represent a function in
different ways?
1 1
ACTIVITY:
Describing a Function
Work with a partner. Copy and complete the mapping diagram for the area of
the fi gure. Then write an equation that describes the function.
a.
b.
x
2
2
2
x
2x
Input, x
Output, A
Input, x
Output, A
1
1
2
2
3
3
4
4
2 2
ACTIVITY:
Using a Table
Work with a partner. Make a table that shows the pattern for the
area, where the input is the fi gure number x and the output is
1 square unit
the area A. Write an equation that describes the function. Then
use your equation to fi nd which fi gure has an area of 81 when
the pattern continues.
a.
FLORIDA
DA
STANDARDS
ARDS
Functions
In this lesson, you will
write function rules.
●
use input-output tables
●
Figure 1
Figure 2
Figure 3
Figure 4
to represent functions.
use graphs to represent
●
b.
functions.
Learning Standard
MAFS.8.F.1.1
Figure 1
Figure 2
Figure 3
Figure 4
248
Chapter 6
Functions
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