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shortlikelife
11-08-2012, 01:04 AM
Find the Domain for:
g(x) = (x-3)/(2x+1)

Possible Answers:
A.(3, −1/2)
B.(-∞, −1/2] U [3,∞)
C.(−1/2, 1/2)
D.(-∞, −1/2) U (−1/2,∞)

How do i find the domain? Can you please explain???

wjm11
11-08-2012, 01:17 AM
Find the Domain for:
g(x) = (x-3)/(2x+1)

Possible Answers:
A.(3, −1/2)
B.(-∞, −1/2] U [3,∞)
C.(−1/2, 1/2)
D.(-∞, −1/2) U (−1/2,∞)

How do i find the domain? Can you please explain???

The domain is all the allowable numbers for x.

We are never allowed to divide by zero.

Any value of x that makes a denominator zero is not part of the domain.

Bob Brown MSEE
11-08-2012, 01:18 AM
What x values do you need to exclude?