Which is the graph of the linear function that is represented by the equation y=1/2x-2

The difference of 2 numbers is 21 and the quotient of the equation is 4 then what are the two numbers?

Consider the table below. x y -1 -5 0 5 1 11 2 13 3 11 complete the standard form equation representing the quadratic relationship displayed above, where a, b, and c are constants.

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