Posted by **Anna** on Thursday, March 29, 2012 at 6:48pm.

f(x)=v^2+13/v^2-4v-32

Find all numbers that are not in the domain of the function. Then give the domain in set notation.

- algebra -
**anon**, Thursday, March 29, 2012 at 6:57pm
set denominator equal to 0 and solve for x which would make the equation undefined

v^2-4v-32=0

(v-8)(v+4)=0

v=8, v=-4

x is not equal to 8 or -4

- algebra -
**bobpursley**, Thursday, March 29, 2012 at 6:57pm
The denominator cannot be zero, so find the roots of the denominator.

(v-8)*(v+4)=0

so v cannot be 8, or -4

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