im stuck on these last two questions can anyone please help (Worried)

find the range of these functions for XER

1) 1 / (x^2 + 2)

2)1 / (x^2 + 4x +5)

thanks

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- Dec 12th 2009, 06:29 AMmike--1988finding the range for the functions
im stuck on these last two questions can anyone please help (Worried)

find the range of these functions for XER

1) 1 / (x^2 + 2)

2)1 / (x^2 + 4x +5)

thanks - Dec 12th 2009, 06:42 AMmathaddict
- Dec 12th 2009, 07:18 AMmike--1988
i dont quite understand the method here

- Dec 12th 2009, 07:27 AMmathaddict
- Dec 12th 2009, 07:37 AMmike--1988
ive looked over it again and i understand it now , thank you (Rock)