SOLUTION: 1 The fuction is f(x) = x^2-4x - 2 g(x) = x+7 Find (f+g)(x)= (f-g)(x)= (f*g)(x)=

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: 1 The fuction is f(x) = x^2-4x - 2 g(x) = x+7 Find (f+g)(x)= (f-g)(x)= (f*g)(x)=      Log On


   

Question 149333: 1 The fuction is f(x) = x^2-4x - 2
g(x) = x+7
Find (f+g)(x)=
(f-g)(x)=
(f*g)(x)=
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
1 The fuction is
f(x) = x^2 -4x - 2
g(x) = x+7
Find (f+g)(x)= f(x) + g(x) = x^2 - 3x +5
-------------------
(f-g)(x)= f(x) - g(x) = x^2 -5x -9
-------------------
(f*g)(x)= f(x)*g(x) = (x^2-4x-2)(x+7)
= x^3 -4x^2+7x^2-2x -28x -14
= x^3 +3x^2 -30x -14
==========================
Cheers,
Stan H.