SOLUTION: Use f(x) = x+3 and g(x) = x+7 to find each of the following: A: (f+g)(x) B: (f-g)(x) C: (fg)(x) D: (f/g)(x)

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Use f(x) = x+3 and g(x) = x+7 to find each of the following: A: (f+g)(x) B: (f-g)(x) C: (fg)(x) D: (f/g)(x)      Log On


   

Question 751821: Use f(x) = x+3 and g(x) = x+7 to find each of the following:
A: (f+g)(x)
B: (f-g)(x)
C: (fg)(x)
D: (f/g)(x)
Answer by Edwin McCravy(20064) About Me  (Show Source):
You can put this solution on YOUR website!


Use f(x) = x+3 and g(x) = x+7 to find each of the following:

 A: (f+g)(x) = f(x) + g(x) = (x+3) + (x+7) = x+3+x+7 = 2x+10

 B: (f-g)(x) = f(x) - g(x) = (x+3) - (x+7) = x+3-x-7 = -4

 C: (fg)(x) = f(x)·g(x) = (x+3)·(x+7) = x²+7x+3x+21 = x²+10x+21

 D: %28f%2Fg%29(x) = %28x%2B3%29%2F%28x%2B7%29



Edwin