Name Date:
Math 3
INVERSES SUMMARY
Period:
Team:
III, Mod 1
1. Demonstrate the inverse of f(x) = 3x2 +1, call it g(x) in the five methods specified below.
Undoing the Operations (See p. 4)
Using Tables
Table for f(x)
Table for g(x)
.
.
Inverse Equation by Solving (and Switching Variables)
Showing that f(g(x))=x and g(f(x)) = x
Reflection along the y = x line of symmetry
toy
--121
10
8
10
111
12
13
14
2. Are both f(x) and g(x) functions? Justify your answer.