Functions can be represented by tables and equations
The function represented by the table is f(x) = x + 5
From the table, we have the following ordered pairs
(x,y) = (-1,4) (0,5) (1,6) and (2,7)
Notice that the difference between the x and y values is 5.
So, we have:
y - x = 5
Add 5 to both sides
y = x + 5
Express as a function
f(x) = x + 5
Hence, the function represented by the table is f(x) = x + 5
Read more about linear functions at:
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