The president's formal powers are explicitly stated in the Constitution, such as vetoing legislation and appointing judges, while informal powers arise from practice and influence, like shaping public opinion. The formal powers create a framework for the president's role, whereas informal powers provide flexibility and adaptability in leadership. Therefore, the correct answer to the multiple-choice question is A.
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Formal powers of the president are defined by the Constitution, while informal powers are derived from practice and influence. Understanding these distinctions helps clarify the scope and limitations of presidential authority. Both types of powers significantly impact how the president functions within the government. ;