x=h
vertical asymptote
y=k
horizontal asymptote
removable (hole)
same factors on top and bottom
non-removable (vertical asymptote)
factor is only on the bottom
highest power on top
no horizontal asymptote (none)
highest power on bottom
y=0
powers are the same
divide the coefficients
______________________________ is a relation in which one variable varies directly with respect to each of two or more variables.
Joint variation
Each piece of a discontinuous graph is called a ______________.
branch
____________________________ is the x-coordinate of a point where the graph f(x) is not continuous.
Point of Discontinuity
A rational expression is in ________________________ when its numerator and denominator are polynomials that have no common divisors.
simplest form
A _____________________ is a rational expression that has at least one fraction in its numerator or denominator or both.
complex fraction