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Question

Find the value of xx for which the rational function f(x)=2x+53x−9f(x) = \frac{2x + 5}{3x - 9} is undefined

Verified Answer

3

Explanation & Step-by-Step Solving

Context: A fractional function becomes undefined when its denominator values equal 0. Set the lower boundary formula to 0:3x−9=0  ⟹  3x=9  ⟹  x=33x - 9 = 0 \implies 3x = 9 \implies x = 3

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