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college algebra

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for the given function f&g, find the following and state the domain of each result

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

what is the domain?
what is the domain?

please show work

answer the following for the given quadratic function
a. what is the vertex (h,k) of f?
b. what is the axis of symmetry?

please show work

  • college algebra -

    1. is answered below on related links


    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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