Alg 2 Rational Functions

State the vertical asymptote:  f(x)=(x-2)/(x+5).

• x = -2/5
• x = -5/2
• x = -5
• x = 2

A rational function is ...?

• a line that continually approaches a given curve but does not meet it at any finite distance.
• The top of a rational expression
• The bottom of a rational expression
• Made up of a ratio (fraction) of two polynomials

Tags

CCSS.HSF-IF.C.7D

Which asymptote(s) are determined by looking at the denominator?

• vertical
• horizontal
• slant
• none

Tags

CCSS.HSF-IF.C.7D

Find the horizontal asymptote.

• None
• y = 0
• y = -1/3
• y = -3

Tags

CCSS.HSF-IF.C.7D

Find the x-intercept (zero) of the function f(x) = (x - 7) / x

• (0, 0)
• (0, -7)
• (7, 0)
• there is no x- intercept

Tags

CCSS.HSF-IF.C.7D

Find the x-intercept (zero) of the function f(x) = (x - 7) / x

• (0, 0)
• (0, -7)
• (7, 0)
• there is no x- intercept

Tags

CCSS.HSF-IF.C.7D

What are the asymptotes?

• x=-3, y=1
• x=3, y =1
• x=-3, y =-1
• x=3 y=-1

Tags

CCSS.HSF-IF.C.7D

What are the asymptotes?

• x=-1 y = -3
• x=1 y = -3
• x=-1 y =3
• x=1, y=3

Tags

CCSS.HSF-IF.C.7D

What is/are the x-intercepts of this graph?

• (-2,0) and (2,0)
• (-2,0)
• (3,0)
• (2,0) and (3,0

Tags

CCSS.HSF-IF.C.7D

Find the domain of the rational function f(x) = x / (x²-25)

• (- infinity, -5) U (5, infinity)
• (-infinity, -5) U (-5, 5) U (5, infinity)
• (- infinity, 5) U (5, infinity)
• (- infinity, 25) U (25, infinity)

Tags

CCSS.HSF.IF.B.5