Finding Function Rules

Write the function rule for the table.

•  $y=2x+6$  

•  $y=\frac{1}{2}x-3$  

•  $y=\frac{2}{3}x-7$  

•  $y=5x+1$  

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.B.4

The ______ values are the set of INPUT values and the ______ values are the set of OUTPUT values.

• x and m

• y and x

• x and y

• m and b

Tags

CCSS.8.F.A.1

Write the function rule for the table.

• $y=7x-1$

• $y=\frac{1}{2}x$

• $y=5x+1$

• $y=\frac{2}{3}x-6$

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

The "m" in y=mx+b is determined by the _____________ pattern(s) in a table.

• y value

• x AND y value

• x value

• NONE

Tags

CCSS.8.EE.B.5

CCSS.8.EE.B.6

CCSS.8.F.B.4

CCSS.8.SP.A.3

Write a function rule for the situation:

The cost (c) of renting a surfboard at $35 and hour (h).

• $c=35+h$

• $h=35c$

• $c=35-h$

• $c=35h$

Tags

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

Write the function rule for the table.

• $y=\frac{3}{4}x+3$

• $y=\frac{4}{5}x-2$

• $y=7x+3$

• $y=x-0$

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

If the input is 5 for x+9, what is the output?

• 14

• 5

• 4

• 45

Tags

CCSS.8.EE.C.7

CCSS.8.F.A.1

CCSS.8.F.B.4

Write the function rule for the table.

• 
  

  $y=\frac{3}{4}x-18$
  

• $y=\frac{2}{3}x-18$

• $y=\frac{1}{2}x$

• $y=7x+18$

Tags

CCSS.8.EE.B.6

CCSS.8.F.A.1

CCSS.8.F.A.3

CCSS.8.F.B.4

CCSS.8.SP.A.2

Write a function rule for the situation:

The profit (p) you would make when selling stickers (s) for $5 each after paying $50 for the products to make them.

• $p=5s-100$

• $p=10s+50$

• $p=5s-50$

• $p=s+5$

Tags

CCSS.8.F.A.1

CCSS.8.F.B.4

What is the output (y) in the equation when x=2?

 $y=\frac{1}{2}x+1$  

• 3

• 2

• 10

• 5

Tags

CCSS.8.EE.C.7

CCSS.8.F.A.1

CCSS.8.F.A.3