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1. For the given function f and g find the folowing and state the domain of each result
a) (f-g)(x)=_____

  • algebra -

    (f-g)(x)= (2x+1)-(7x-1)
    = 2x+1-7x+1 = -5x+2.
    Domain: All real values of x.

    (f/g)(x) = (2x+1)/7x-1)
    7x-1 = 0
    7x = 1
    X = 1/7
    When X = 1/7, the denominator = 0 which
    is forbidden. Therefore, the domain is
    all real values of X except I/7.
    1/7 <X< 1/7.

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