<p>Can someone help me out. I seems so simple but I'm not sure what to do. Yes, I know its embarassing.</p>
<p>Thanks so much.</p>
<p>if g(2) = k, then k = 5 (using the graph of g(x) provided in the question).</p>
<p>g(5) = 2.5 (according to the same graph).</p>