Answer the following questions: 1. A student writes that if the right and left limits of a function h(x) are equal at a - k and h(k) exists, then his continuous at a = k . Is this student correct? Explain your reasoning. 2. Is it possible for a function to cross a vertical asymptote? Explain your reasoning. 3. Is it possible for a function to intersect a horizontal asymptote? Explain your reasoning