Write down the equations of the asymptotes of the functions below \( g(x)=3 \tan (2 x) \quad \) where \( x \in\left[-90^{\circ} ; 90^{\circ}\right] \)
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The function \( g(x) = 3 \tan(2x) \) has vertical asymptotes wherever the tangent function is undefined, which occurs at odd multiples of \( \frac{\pi}{2} \) for \( \tan(x) \). Since \( \tan(2x) \) will be undefined at \( 2x = \frac{\pi}{2} + k\pi \), where \( k \) is an integer, we can find the asymptotes by solving for \( x \). For the given interval \( x \in [-90^{\circ}, 90^{\circ}] \), the asymptotes occur at: 1. \( 2x = \frac{\pi}{2} \Rightarrow x = \frac{\pi}{4} \) or \( x = 45^{\circ} \) 2. \( 2x = \frac{3\pi}{2} \Rightarrow x = \frac{3\pi}{4} \) is outside the interval 3. The next is \( 2x = -\frac{\pi}{2} \Rightarrow x = -\frac{\pi}{4} \) or \( x = -45^{\circ} \) Thus, the equations of the vertical asymptotes are \( x = -45^{\circ} \) and \( x = 45^{\circ} \).