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January 25, 2015

January 25, 2015

Posted by **spazed out** on Saturday, December 1, 2012 at 6:42pm.

f(x)=2x+1/9x-5; g(x)4x/9x-5

a.(f+g)(x)=

what is the domain?

b.(f/g)(x)=

what is the domain?

please show work

answer the following for the given quadratic function

f(x)=x^2+10x-11

a. what is the vertex (h,k) of f?

b. what is the axis of symmetry?

please show work

- college algebra -
**Steve**, Saturday, December 1, 2012 at 7:07pm1. is answered below on related links

2.

f(x) = x^2+10X+25 - 11 - 25

f(X) = (X+5)^2 - 36

now read off the vertex, which lies on the axis of symmetry.

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