SOLUTION: f(x)=x^2-1 g(x)=1-2x f(g) (-1)(g(f))(-1)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: f(x)=x^2-1 g(x)=1-2x f(g) (-1)(g(f))(-1)      Log On


   

Question 59458This question is from textbook
: f(x)=x^2-1 g(x)=1-2x f(g) (-1)(g(f))(-1) This question is from textbook

Answer by funmath(2933) About Me  (Show Source):
You can put this solution on YOUR website!
f(x)=x^2-1 g(x)=1-2x
f(g(-1))
g(-1)=1-2(-1)
g(-1)=1+2
g(-1)=3
f(g(-1))=f(3)=3^2-1=9-1=8
:
g(f(-1))
f(-1)=(-1)^2-1
f(-1)=1-1
f(-1)=0
g((f)(x))=g((f)(-1))=g(0)=1-2(0)=1
Happy Calculating!!!