SOLUTION: if f(x)=2x^-2 and g(x)= 3+x^2, find the rule of the function-3(f*g)(x)

Algebra ->  Rational-functions -> SOLUTION: if f(x)=2x^-2 and g(x)= 3+x^2, find the rule of the function-3(f*g)(x)      Log On


   

Question 50814: if f(x)=2x^-2 and g(x)= 3+x^2, find the rule of the function-3(f*g)(x)
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
if f(x)=2x^-2 and g(x)= 3+x^2, find the rule of the function-3(f*g)(x)
------------
-3(2x^2-2)(3+x^2)
=-3[6x^2+2x^4-6-x^2]
=-3[2x^4+5x^2-6]
=-6x^4-15x^2+18
Cheers,
Stan H.