Function Notation

How would you write y = 2x - 3 in function notation?

• y = 2x-3

• f = 2x - 3

• f(x) = 2x-3

Tags

CCSS.HSF.IF.A.2

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Tags

CCSS.HSF.IF.A.2

If f(x) = 2x + 1, what would be your first step to find f(1)?

• Plug a 1 in for all the x's

• Set the function equal to 1

• Only plug a 1 into the left side

• Only plug a 1 into the right side

Tags

CCSS.HSF.IF.A.2

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

Tags

CCSS.HSF.IF.A.2

Tags

CCSS.HSF.IF.A.2

w(x) = 3x - 7.
If w(x) = 14, find x.

• 7
• 35
• 2.33333
• -49

Tags

CCSS.HSF.IF.A.2

_{Using the graph, what does f(8) equal?}

• 8
• 2
• 1
• 0

Tags

CCSS.HSF.IF.B.4

What does x equal in the function:
f(-11) = 5x + 1

• -54 
• 5
• 1
• -11

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

Complete the function notation below
f(____) = 214

• 1990
• 1991
• 1989
• 1994

Tags

CCSS.HSF.IF.A.2