SOLUTION: Please help me solve this: f(x)=x^2+1 , g(x)=x^2-3 a. (f.g)(x) b. (g.f)(x) c. (f.g)(2)

Algebra ->  Logarithm Solvers, Trainers and Word Problems -> SOLUTION: Please help me solve this: f(x)=x^2+1 , g(x)=x^2-3 a. (f.g)(x) b. (g.f)(x) c. (f.g)(2)       Log On


   

Question 928773: Please help me solve this: f(x)=x^2+1 , g(x)=x^2-3
a. (f.g)(x)
b. (g.f)(x)
c. (f.g)(2)

Answer by josgarithmetic(39623) About Me  (Show Source):
You can put this solution on YOUR website!
If your period mark means multiplication, then a and b are the same. Multiply the two binomials and simplify. c is just evaluation of the function at x=2.


x%5E4-2x%5E2-3


Let x=2.