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[tex]1. \: lim_{x = 3}(4x - 2) \\ = (4(3) - 2) \\ = 12 - 2 \\ = 10[/tex]
[tex] \\ 2. \: lim_{x = 1}(\frac{ {x}^{2} + 3x}{ {x}^{2} - 3x} ) = ...\\ \\ = \frac{ {1}^{2} + 3(1) }{ {1}^{2} - 3(1)} \\ \\ = \frac{4}{ - 2} \\ \\ = - 2[/tex]