Fill in the blanks below in order to justify whether or not the mapping shown represents a function.
Set A
Set B
-3
7
-4
4
2
-2
The mapping diagram above does NOT represent a function since
for each number Jin Set A (the input) there are multiple mappings
from Set A (the input).

For each number in set A, there is one mapping from set A (input) to set B (output), so the mapping represents a function

Step-by-step explanation:

The relation is a function if and only if each input value has only 1 output value

Examples:

Let us solve the question

Use the given figure to find the inputs and their corresponding outputs

Set A →→→→ Set B

∵    -3 →→→→ 2

∵    -4 →→→→ 4

∵     9 →→→→ -2

∵      1 →→→→ 7

∵ Set A is the input and set B is the output

∵ There is only one arrow go from each value in set A to a value in set B

∴ For each number in set A, there is one mapping from set A to set B

∴ The mapping represents a function

For each number in set A, there is one mapping from set A (input) to set B (output), so the mapping represents a function

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step-by-step explanation: