Writing Function Rules

Max recorded the data from his experiment in this chart. Which of the following equations represents this data?

• x + 1 = y

• 3y + 1 = x

• 3x + 1 = y

• x + 3y = y

Tags

CCSS.6.EE.C.9

An electrician charges $55 an hour plus $30 for the service call. The table below shows the cost, c, of the electrician for h hours. Which of the following equations describes the cost, c, for h hours?

• c = 55h + 30

• 30 + h = 55

• 55h - c = 30

• c = 55h - 30

Tags

CCSS.6.EE.C.9

The chart shows the number of tickets (T) and the total cost (C) of the tickets to a concert. Each ticket costs the same amount. Which equation can be used to show the relationship between the cost (C) of a given number of tickets (T)?

• C = 6T

• C = 168 + T

• C = 12T

• C = 14T

Tags

CCSS.HSF-BF.A.1A

The student council sells carnations as a fund raiser. Which equation fits the table of values for the carnation sales?

• P = 1.50C

• C = 1.50P

• $P\ =\ \frac{C}{4.50}$

• $C\ =\ \frac{4.50}{P}$

Tags

CCSS.6.EE.C.9

What is the relationship between x and y?

• x + 2 = y

• 2x + 2 = y

• $2y\ \times\ 2\ =\ x$

• x + 2 = 2y

Tags

CCSS.6.EE.C.9

This table shows John's pay scale. Which equation could John use to determine the number of dollars, D, he will be paid for doing x hours of work?

• D = 2x + 8

• D = 8x + 10

• D = 8x – 34

• D = 8x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the relationship between x and y?

• x - 4 = y

• 2x - 4 = y

• 2y - 4 = x

• x - 4 = 2y

Tags

CCSS.6.EE.C.9

Which equation represents the following graph?

• y = 3x + 2
• y = -2x + 3
• y = 2x + 3
• y = -3x + 2

Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.5

Which could be the graph of the equation y = 1/3x - 2?

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Tags

CCSS.8.EE.B.5

CCSS.8.F.B.4

CCSS.8.EE.B.6

CCSS.8.F.A.2

CCSS.8.F.A.3

CCSS.8.F.B.5

CCSS.8.F.A.1

Which graph represents the table?

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Tags

CCSS.8.EE.B.5