Function Notation and Graphs

Is this is a function or not a function?

• Function

• Not a Function

Tags

CCSS.8.F.A.1

Is this a function or not a function?

• Function

• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.

• Yes, because each x-value has only one y-value paired with it.

• No, because the x-value 11 has two y-values pair with it.

• No, because each x-value has only one y-value paired with it.

Tags

CCSS.8.F.A.1

If f(x) = -4x - 5 and
g(x) = 3 - x,
what is g(-4) + f(1)?

• 7

• -2

• -9

• -10

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

Which set of ordered pairs is a function?

• <(9,5), (10,5), (9,-5), (10,-5)>

• <(3,4), (4,-3), (7,4), (3, 8)>

• <(6,-5), (7, -3), (8, -1), (9, 1)>

• <(2, -2), (5, 9), (5, -7), (1, 4)>

Tags

CCSS.8.F.A.1

Is this a function?

• Yes

• No

• Maybe

• It's a curvy line

Is this a function?

• Yes

• No

• Maybe

• I like circles

Given f(x) = 2x-3, what is the value of f(3)?

• 7

• 4

• 5

• 1

Tags

CCSS.HSF.IF.A.2

Given f(x)= (2 + x )², what is the value of f(-3)?

• 1

• 25

• -1

• 5

Tags

CCSS.HSF.IF.A.2