Problem
Evaluate the limit of the following.

1. $\displaystyle \lim_{x \to 4} (x^2 + 3x - 5)$

2. $\displaystyle \lim_{x \to -1} (2x^2 + x + 4)$

3. $\displaystyle \lim_{y \to 3} (y^3 - 2y + 7)$

4. $\displaystyle \lim_{y \to -2} (y^3 + 5y - 1)$

5. $\displaystyle \lim_{t \to 0} \dfrac{2t^2 + 1}{t^3 + 3t - 4}$

Solution

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