iran-konkur 2019 Q114

iran-konkur · Other · konkur-riazi_1398_specialized_new-curriculum Sign Change & Interval Methods
114. If $\displaystyle\lim_{x \to 2} \dfrac{3x - 5}{x^2 + ax + b} = -\infty$, what is $a + b$?
(1) $-1$ (2) zero (3) $1$ (4) $2$
\textbf{114.} If $\displaystyle\lim_{x \to 2} \dfrac{3x - 5}{x^2 + ax + b} = -\infty$, what is $a + b$?

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(1) $-1$ \qquad
(2) zero \qquad
(3) $1$ \qquad
(4) $2$

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