As long as an x-value doesn't give multiple y-values, the equation will be a function. Example 1 The equation y=−2x+4 only gives one y-value for any x-value. Therefore, it is a function. Example 2 The equation y=x2−4x+3 only gives one y-value for any x-value.
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Answer:
As long as an x-value doesn't give multiple y-values, the equation will be a function. Example 1 The equation y=−2x+4 only gives one y-value for any x-value. Therefore, it is a function. Example 2 The equation y=x2−4x+3 only gives one y-value for any x-value.
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