Question:

If f(x) is continuous and f(<span class="math-inline">\( \frac{9}{2} \)</span>) = <span class="math-inline">\( \frac{2}{9} \)</span>, then the value of lim <span class="math-inline">\( x \to 0 \)</span> f(<span class="math-inline">\( \frac{1 - \cos 3x}{x^2} \)</span>) is-