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What value of x will make the relation {(3, 5), (7, 9), (x-3, 13), (15, 17)} a function?
A. 6
B. 7
C. 10
D. 18​


Sagot :

Answer:

D. 18

Step-by-step explanation:

•(x-3 , 13)

(arithmetic sequence)

•let 18 be the x

•(18 - 3 , 13)

•(15 , 13)

so x is 18

Hope it helps :)