MATA30H3 Lecture Notes - Algebraic Equation, Asymptote
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MATA30H3 Full Course Notes
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The reciprocal of a linear function has the form: f(x) = 1 / kx c. The restriction on a domain of a reciprocal linear function can be determined by finding the value of x that makes the denominator equal to zero, that is x = c / k. The vertical asymptote of a reciprocal linear function has an equation of the form x = k / c. The horizontal asymptote of a reciprocal linear function has equation y = 0. If k > 0, the left branch of a reciprocal linear function has a negative, decreasing slope, and the right branch has a negative, increasing slope. If k < 0, the left branch of a reciprocal linear function has a positive, increasing slow, and the right branch has a positive, decreasing slope. Rational functions can be analyzed using key features: asymptotes,intercepts, slope (positive or negative, increasing or decreasing),domain, range, and positive and negative intervals.