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•The x-intercepts of the graph of y=f(x)

•The real zeros of the function f
•The real solutions to the equation f(x)=0

Use the equation f(x)=4x−28 to verify that all three do produce answers that are numerically the same.

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Huh?
The three questions are all the same. Of course they all have the same answer.
0 = 4 x - 28
x = 28/4
x = 7

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