Please help & explain!
The functions f and g are defined by sets of input and output values.
f= {(5,0), (-1,1), (-3,4), (1,2), (3,4), (-2,6)}
g= {(4,1), (0,-2), (1,-1), (2,-2), (6,0)}
A. find f(g(4))
B: Find g(f(-3))
C. find f(g(f(5)))
D. find g(f(g(0)))
HELP!!!
