amanda6333 amanda6333

31-12-2020
Mathematics

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The mapping diagram shows a function.
What could be a possible value for the
missing number n?
A7
C9
B8
D 15

The mapping diagram shows a function What could be a possible value for the missing number n A7 C9 B8 D 15 class=

Respuesta :

ChoiSungHyun ChoiSungHyun

31-12-2020

Step-by-step explanation:

Numbers 7, 8 and 9 in the domain each already has an image in the co-domain (3, 1 and 1 respectively)

Since n has 2 as its image, n cannot be 7, 8 or 9. Therefore the best answer here is 15. (D)

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