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Consider the function g(y) = {(-5,22), (-2,1), (1,-2), (4,13), (9,78)}. Find the value of g(-2)

User Ackeem
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We have a function g(y) that is defined as a group of ordered pairs (y , g(y))

To find the value of g(-2), we have to look if there is a pair where the first number (y) is equal to -2.

There is an ordered pair that is (-2,1).

As the functions have one and only one value in the image g(y) for each value in the domain (y), the value of g(-2) is g(-2)=1, as the order pair indicates.

Answer: g(-2) = 1

User Chanuka Asanka
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