Can you have a horizontal and slant asymptote?
Also know, can a slant asymptote be crossed?
NOTE: A common mistake that students make is to think that a graph cannot cross a slant or horizontal asymptote. This is not the case! A graph CAN cross slant and horizontal asymptotes (sometimes more than once). It's those vertical asymptote critters that a graph cannot cross.
Furthermore, what are the rules for horizontal asymptotes? The three rules that horizontal asymptotes follow are based on the degree of the numerator, n, and the degree of the denominator, m.
- If n < m, the horizontal asymptote is y = 0.
- If n = m, the horizontal asymptote is y = a/b.
- If n > m, there is no horizontal asymptote.
Keeping this in consideration, what is the equation of the horizontal or oblique asymptote?
Case 1: If the degree of the numerator of f(x) is less than the degree of the denominator, i.e. f(x) is a proper rational function, the x-axis (y = 0) will be the horizontal asymptote. The line y = mx + b is an oblique asymptote for the graph of f(x), if f(x) gets close to mx + b as x gets really large or really small.
What is a horizontal asymptote definition?
Horizontal asymptotes are horizontal lines that the graph of the function approaches as x tends to +∞ or −∞. As the name indicates they are parallel to the x-axis. Vertical asymptotes are vertical lines (perpendicular to the x-axis) near which the function grows without bound.