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Please help!

The table shows the outputs, y, for different inputs, x:

Input (x) 1, 2, 3, 4,
Output (y) 5, 5, 7, 9,

Compare the data in the table with the relation f(x) = 2x − 8. Which relation has a greater value when x = 4? (2 points)

I know that f(x) = 2x - 8 is f(4) = -2, but I don't know how to solve the rest!

Respuesta :

musiclover10045
f(x) = 2x-8
 so when x=4 replace x with 4 to get 2(4)-8 which equals 8-8 = 0
 so f(4) = 0
 and from the table when the input (x) is 4, the output (y) is 9

9 is greater than 0 , so the table has a greater value when x = 4

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