Different Representations of Functions

The equation d = 40t gives the distance in kilometers cyclist A travels as a function of time in hours. Cyclist B’s distance at different times is given in the table. Which cyclist is faster? How far apart are they after 3 hours?

• Cyclist A; 24 km

• Cyclist B; 33 km

• Cyclist A; 42 km

• Cyclist B; 51 km

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

The graph shows the acres of corn a farmer has left to plant. The equation A = 4,000 – 180d gives the acres of soybeans a neighbor has left to plant as a function of time in days. Which statement is true?

• Both farmers have 4,000 acres to plant on Day 0.

• The corn farmer plants more acres per day than the soybean farmer.

• The corn farmer will finish planting first.

• From days 1–20, the soybean farmer always has more to plant.

Tags

CCSS.HSF.LE.B.5

Which equation matches the graph? 

• y = 3x 

• y = x + 3

• y = ⅓x

• y = x - 3

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.3

Which equation matches the table? 

• y = x + 4

• y = 5x

• y = x - 4

• y = x + 16

Tags

CCSS.6.EE.C.9

Choose ALL that represent a function.

Tags

CCSS.8.F.A.1

• 
• 
• 
• 

Tags

CCSS.8.F.A.1

• A

• B

• C

• D

​ (a)   ​

• Mapping does not represents y as a function of x.

• Mapping represent y as a function of x

Tags

CCSS.8.F.A.1

Which of the following is NOT a way to represent a function?

• Table

• Equation

• Picture

• Graph

Using the graph, find the slope

• 4/3

• 3/4

• -4/3

• -3/4

Tags

CCSS.8.EE.B.5