Equations for Functions

Given the linear function f(x) = 2x - 5. What is the output when x=-1?

Tags

CCSS.HSF.IF.A.2

Represent this function using an algebraic equation.

• y=6x + 2

• y=8x + 2

• y=2x + 2

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

Which equation matches the table?

• y = 1x

• y = 5x

• y = x + 6

• y = x + 4

Tags

CCSS.6.EE.C.9

Which equation matches the table?

• y = x + 3

• y = 5x

• y = x + 5

• x = y - 5

Tags

CCSS.6.EE.C.9

Write the equation for this graph in function notation.

1. The slope is ​ (a)  

2. 2.The y-intercept is ​ (b)   ​

3. 3. The function for this graph would be ​ (c)  

• 3
• 4
• -3
• -1.5

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

27% of students got this question right.

• F

• G

• H

• J

Tags

CCSS.HSF-BF.A.1A

If f(18) = 7(18) + 40 which function gives an appropriate representation of f(x)?

• f(x) = 7x

• f(x) = 18

• f(x) = 7x + 40

• f(x) = 18x + 40

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

What is the function for this table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

Tags

CCSS.8.F.B.4

CCSS.HSF.LE.A.2

• A
• B
• C
• D

What is the algebraic equation for this table?

• y = x + 3

• y = 3x

• y = x ÷ 3

• y = x - 3

Tags

CCSS.6.EE.C.9