4) \frac{3 {x}^{2} - 14x + 8 }{4 + 7x - 2 {x}^{2} } = | \frac{0}{0} | = lim(x - > 4) \frac{(x - 4)( x - \frac{2}{3}) }{(x + \frac{1}{2})(x - 4) } = lim(x - > 4) \frac{x - \frac{2}{3} }{x + \frac{1}{2} } = \frac{4 - \frac{2}{3} }{4 + \frac{1}{3} } = \frac{10}{3} \times \frac{3}{13} = \frac{10}{13} " alt="lim(x - > 4) \frac{3 {x}^{2} - 14x + 8 }{4 + 7x - 2 {x}^{2} } = | \frac{0}{0} | = lim(x - > 4) \frac{(x - 4)( x - \frac{2}{3}) }{(x + \frac{1}{2})(x - 4) } = lim(x - > 4) \frac{x - \frac{2}{3} }{x + \frac{1}{2} } = \frac{4 - \frac{2}{3} }{4 + \frac{1}{3} } = \frac{10}{3} \times \frac{3}{13} = \frac{10}{13} " align="absmiddle" class="latex-formula">