What is the measure of 237
In the diagram, g Whm21 = (4x + 36)", and
m2 2 + (x 3)".

21
60°
120
159

-6

[g o f o h](-5) means the same as g(f(h(-5)))
Just like a normal math problem you start at the inner most part—h(-5). Then use the answer(-2) for the next inner part—f(-2). Finally that answer is used for the outer most part—g(-3). Which comes to -6.