Question

2. f= {(4,3), (0, -2), (1, -2)}g= {(-2, 0), (3, 1))For each pair of functions, find f•g amd g•f , if they exist

Answer 1

We will have the following:

For f composed g:

$(f\circ g)(-2)=-2$$(f\circ g)(3)=-2$

For g composed f:

$(g\circ f)(-4)=1$$(g\circ f)(0)=0$$(g\circ f)(1)=0$