Danielle tried to evaluate (g.h)(7) , but she made a mistake. Here is her work..
Step 1 g(7)= 3/7-2 = 3/5
Step 2 h(7)=9(7) =63
Step 3 (gcirc h)(7)= 3/5 · 63 = 189/5.
What is the mistake in Danielle's work?