Question

This is Pre-Calculus: Could someone explain to me how I would find the domain and range of (2)/(x^2-2x-3)?

Answer 1

factor the denominator
the domain is whatever makes the denominator zero
the range is what values y can be. check to see if there is any restriction on y

Answer 2

the range is a bit harder

Answer 3

domain is x != 1, and x != -3
where "!=" means is not equal to

Answer 4

wait i got x=-1 and x=3

Answer 5

for domain