The following is an authoritative opinion that would strengthen your argument if you were writing a rational appeal?

To strengthen your argument in a rational appeal, you could cite an expert opinion that emphasizes the importance of evidence-based reasoning. For instance, a respected scholar in the field might assert that decisions should be guided by empirical data and logical analysis rather than emotional factors. This authoritative voice adds credibility to your argument, as it aligns with rational principles and encourages the audience to consider the merit of your claims based on facts. Incorporating such a viewpoint reinforces the validity of your position while appealing to the audience's sense of logic.