Modeling a Situation with a Rational Function

The number of hours to paint a house varies inversely with the number of painters working. A 2400-square foot house can be painted in 27 hours by 6 painters. How many painters would need to work in order to paint the house in 18 hours?

• 8 painters

• 10 painters

• 9 painters

• 11 painters

The time to complete a project varies inversely with the number of employees.
If 3 people can complete the project in 7 days, how long will it take 5 people?

• 12 days

• 4.2 days

• 6.2 days

• 10 days

Find the horizontal asymptote.

• none

Tags

CCSS.HSF-IF.C.7D

What are the asymptotes?

Tags

CCSS.HSF-IF.C.7D

Label the graph

b

c

d

e

a

y-intercept

Horizontal Asymptote

origin

x-axis

Vertical Asymptote

Tags

CCSS.HSF-IF.C.7D

What is the equation of the graph pictured?

Mathematical Equivalence

ON

Tags

CCSS.HSF-IF.C.7D

• y = -2

• y = 0

• y = 1/2

• x = 2

• none

Tags

CCSS.HSF-IF.C.7D

What are the equations of the asymptotes of the given graph

• x=1, x= 2, y =1, y= 2

• x= 2, x= -2, y = 1

• x=2 and  y= -1

• x=1, y =2, y = -2

Tags

CCSS.HSF-IF.C.7D

What is the equation of the horizontal asymptote of the given function?

• y = 2

• x = 1

• There isn't one

• y = 5

Tags

CCSS.HSF-IF.C.7D

The holes of a rational function occur when :

• my pencil pokes a hole in the paper I'm working on

• there is something left in the denominator

• the value of f(0)

• a factor in the denominator cancels with a factor in the numerator

Tags

CCSS.HSF-IF.C.7D