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"Use function notation to write the equation of the line:

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"Use function notation to write the equation of the line: "-example-1

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I noticed that the value of x is equal to the value of y. When x is 1, y is also 1. Thus, y = x

The function notation of y = x is:

f(x) = x

f(x) represents the value of y in the function notation.

f(1) = 1 f(-1) = -1
f(2) = 2 f(-2) = -2
f(3) = 3 f(-3) = -3
f(4) = 4 f(-4) = -4
f(5) = 5 f(-5) = -5

User Johboh
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