Questions and Answers
What is an asymptote of a rational function?
A line that the graph approaches but does not touch
What does finding the zeroes of a rational function involve?
Solving for the values of the variable that make the function equal to zero
What is the relationship between intercepts and zeroes of a rational function?
The x-intercepts are the zeroes of the function
What is the relationship between the intercepts and zeroes of a rational function?
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What does finding the asymptotes of a rational function involve?
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What is an asymptote of a rational function?
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Study Notes
Asymptotes of a Rational Function
- An asymptote of a rational function is a line that the graph approaches as the input (x) increases or decreases without bound, but never reaches.
- Finding the asymptotes of a rational function involves determining the values of x that make the denominator equal to zero.
Zeroes of a Rational Function
- Finding the zeroes of a rational function involves setting the numerator equal to zero and solving for x.
- The zeroes of a rational function are the values of x that make the function equal to zero.
Relationship between Intercepts and Zeroes
- The x-intercepts of a rational function are the same as the zeroes of the function.
- The y-intercept of a rational function is the value of the function when x is equal to zero.
- The intercepts and zeroes of a rational function are related in that they are the points at which the graph of the function crosses the x-axis or y-axis.
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