Rational Function Review

• None
• x = 2
• x = 3
• x = 4

Tags

CCSS.HSF-IF.C.7D

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

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

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

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

State the vertical asymptotes:

f(x) = 2 / (2x²+3x - 5)

• x = 1 , x = -5

• x = 1, x = -5/2

• x = -1/2, x = 5

• x = 0 , x = -5/2

Find the vertical asymptote(s).

• None

• x = 0

• x= 4

• x = -4, 4

Find the horizontal asymptote.

• None
• y=3
• y=0
• y=2 and y=-2

Tags

CCSS.HSF-IF.C.7D

A slant asymptote occurs when....

• The asymptote stayed up too late.
• A factor from the numerator cancels with a factor in the denominator.
• The degree of the numerator is one more than the degree of the denominator.
• The denominator cannot be factored.

Tags

CCSS.HSF-IF.C.7D

Find the coordinates of the hole.

• (-3, 7/6)
• (-3, -7/6)
• (3, 0)
• (3, -5/6)

Tags

CCSS.HSF-IF.C.7D

Find the slant asymptote.

• y= -3x-3
• y=-3x-1
• y=-3x+5
• y=-3x-5

Tags

CCSS.HSF-IF.C.7D

What is/are the vertical asymptote(s)?

• x=-2
• x=2 and x=3
• x=-3
• x=3

Tags

CCSS.HSF-IF.C.7D