Posted by **Sharday** on Wednesday, May 22, 2013 at 8:17pm.

1. For the given function f and g find the folowing and state the domain of each result

f(x)=2x+1;g(x)=7x-1

a) (f-g)(x)=_____

(f/g)(X)=_____

- algebra -
**Henry **, Friday, May 24, 2013 at 8:10pm
(f-g)(x)= (2x+1)-(7x-1)

= 2x+1-7x+1 = -5x+2.

Domain: All real values of x.

(f/g)(x) = (2x+1)/7x-1)

7x-1 = 0

7x = 1

X = 1/7

When X = 1/7, the denominator = 0 which

is forbidden. Therefore, the domain is

all real values of X except I/7.

1/7 <X< 1/7.

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