Sets, Relations & Functions
General
Grade 11
Question:
The inverse function of <span class="math-inline">f(x) = \frac{8^{2x} - 8^{-2x}}{8^{2x} + 8^{-2x}}</span>, <span class="math-inline">x \in (-1,1)</span>, is
Step-by-Step Solution
Key Concept: General
<div class="solution"><p>Standard functional equation manipulation gives answer -2.</p><div class="key-concept"><strong>Key Concept:</strong> Functional equation on R</div></div>
Correct Answer: 1