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What is the domain of the reciprocal function 5/ 4x+5?

1 Answer

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set the denominator equal to 0 and solve for x to find the restricted value

4x + 5 = 0
x = -5/4

domain: x ≠ -5/4
or in interval notation: (-∞, -5/4) U (-5/4, ∞)
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