Posted by **valerie** on Wednesday, March 14, 2007 at 1:24pm.

i forgot to post these!

f(x)=9x+4 and listed in interval notation

also:

f(x) x2+14x+40

in interval notation

and:

1/x^2+81 (interval notation)

and:

x+11/x^2-121 (interval notation)

and:

f(x+2)

f(x)=6x^2-x+7

You have listed a lot of functions but have said nothing about what the interval is. Unless you specify an interval for the variable x, there is no specific intervl for f(x). For further discussion, see

http://mathforum.org/library/drmath/view/52929.html
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