extrema of functions

If f(x) = 2x + 1, find f(1).

• f(1) = 1

• f(1) = 4

• f(1) = 0

• f(1) = 3

Tags

CCSS.HSF.IF.A.2

If I know that f(2) = 4, what is another way I can write my answer?

• 2,4

• (2, 4)

• That is the only way to write it.

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

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

• -1
• 1
• 5
• -5

Tags

CCSS.HSF.IF.A.2

For the function f(x) = -3(x-1) find f(0).

• 0
• -3
• 3
• -1

Tags

CCSS.HSF.IF.A.2

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30

Tags

CCSS.HSF.IF.A.2

What is the definition of a function?

• Has inputs and outputs

• Inputs have different outputs every time

• x-values and

  y-values

• Every input has only one output

Tags

CCSS.8.F.A.1

• Yes
• No

Tags

CCSS.8.F.A.1

• Yes
• No

Tags

CCSS.8.F.A.1

Is this is a function or not a function?

• Function
• Not a Function

Is this a function or not a function?

• Function
• Not a Function