3-3 domain and range word problem lesson

Identify the domain of the following relation:

• -6, 14, 2, 28
• (-6,14), (0,32), (2,38), (4,44)
• -6, 0, 2, 4
• 14, 32, 38, 44

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Identify the range of the following relation:

• -6, 14, 2, 28

• (-6,14), (0,32), (2,38), (4,44)

• -6, 0, 2, 4

• 14, 32, 38, 44

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

Janice is working as a babysitter for the Harold Family.  They plan to leave for their date at 7:00 pm  and be back by 12:00 am.  If the equation f(x) = 15x + 20 models the amount that Janice will earn, where x is the number of hours she works, and f(x) is the total money she earns, what is an appropriate domain?

• any value between 0 and 5
• any value between 15 and 20
• any value between -1 and 1
• any value greater than 0

Tags

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

CCSS.HSF.IF.B.5

Janice is working as a babysitter for the Harold Family.  They plan to leave for their date at 7:00 pm  and be back by 12:00 am.  If the equation f(x) = 15x + 20 models the amount that Janice will earn, where x is the number of hours she works, and f(x) is the total money she earns, what is an appropriate range?

• any value between 0 and 20
• any value between 0 and 125
• any value between 0 and 95
• any value greater than 0

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.5

CCSS.HSF.LE.B.5

Identify the range of the following function when given the domain { 2, 3, 10}:
y = 4x - 12

• 4, 12, 20
• -20, 0, 28
• -4, 0, 28
• 8, 12, 40

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

Identify the range of the following function when given the domain { 2, 3, 10}:
y = 4x - 12

• 4, 12, 20
• -20, 0, 28
• -4, 0, 28
• 8, 12, 40

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.A.2

The lake has a depth of 45 feet below sea level.  A scuba diver is taking a dive.  His depth under water  can be modeled by
 D(x) = -4x - 2, where x represents the minutes.  The diver starts at a depth of 2 feet and travels deeper at a speed of 4 feet every minute.  What is the appropriate range for this function?

• from 0 to 2
• from -2 to -45
• from 2 to 45
• it can not be determined

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.SSE.A.1

CCSS.HSF.IF.B.4

CCSS.HSF.IF.B.5

What is the range of the following relation:
(9, -2) (4, 3)  ( 8, 10) ( -4, 8)

• -4, 4, 8, 9
• -2, 3, 8, 10
• (9, -2) ( 4, 3)
• (8, 10) (-4, 8)

Tags

CCSS.HSF.IF.A.1

What is the domain of the following relation:

(9, -2) (4, 3) ( 8, 10) ( -4, 8)

• -4, 4, 8, 9

• -2, 3, 8, 10

• (9, -2) ( 4, 3)

• (8, 10) (-4, 8)

Tags

CCSS.HSF.IF.A.1

CCSS.HSF.IF.B.5