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math

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let f(x)= 3x-7 and g(x) = 4x-5. Find (f ° g)(-1)

  • math -

    same as
    f[ g(x) ]
    g(-1) = 4(-1) -5 = -9
    f(-9) = 3(-9) - 7 = -27 - 7 = -34

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