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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _compute_term_3_4(self, dists, C):
 """ Compute term 3 and 4 in equation 1 page 1. """

        cutoff = 6.056877878
        rhypo = dists.rhypo.copy()
        rhypo[rhypo <= cutoff] = cutoff
        return C['c3'] * np.log(rhypo) + C['c4'] * rhypo