Devaughn's age is two times Sydney's age. The sum of their ages is 18. What is Sydney's age?
2 answers:
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ANSWER
EXPLANATION
The given points are:
(1, 4), (2, 9), and (3, 16)
It is obvious that the function is not linear because there is no constant difference among the y-values.
We can however manipulate the y-values to quickly identify the function.
We can infer from the pattern that, the function is;