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OpenStudy (anonymous):
Is this equation linear, and what is the function for the given x? f(x)=1/2x-11; f(4)
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OpenStudy (anonymous):
the equation is not linear. y = 1/2x-11 => (2x-11)y = 1. This is the equation of parabola. f(4) is direct substitution. => f(4) = -1/3
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