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As the sun began to set, we reached the heart of the island, where a grand temple stood. The temple was guarded by a wise old mathematician who presented us with a final challenge: theory and problems for precalculus 12 pdf
, as the square root of a negative number is undefined in the real number system. Points where remain unchanged when taking the square root. Rational Functions Rational functions take the form are polynomials. Vertical Asymptotes: Occur at non-permissible values where (assuming the factor does not cancel out). Holes (Point Discontinuities): Occur if a factor exists in both and cancels out. It's important to set clear expectations when searching