2 13-12-11-109 -8 -7 -6 -5 -4 -3 -2 -1 2 3 4 -1 6 -2 -3- The curve above is the graph of a sinusoidal function. It goes through the points (-7,-2) and (3,-2). Find a sinusoidal function that matches the given graph. If needed, you can enter =3.1416... as 'pi' in your answer, otherwise use at least 3 decimal digits. TU f(x) = 2 sin X 2 X