Step-by-step explanation:
2(3(7)-1)
= 2(21-1)
=2(20)
=40
Answer:
Step-by-step explanation:
by definition : The inverse of a relation consisting of points of the form (x,y) is the set of points (y,x)
if (1,7) is a point belong to f(x), then the inverse has to be (7,1) not (8,1)
Simple, solve straight across, its either 4n or 2n