Functions and Function Notation Review

The function h(t) represents the height in inches of a plant after t weeks. What does the notation h(4) = 5 mean?

• After 5 week the plant is 4 inches tall

• The plant grows at a rate of 5/4 inch per week

• After 4 weeks the plant is 5 inches tall

• The plant grows at a rate of 1 inch per week

Tags

CCSS.HSF.IF.A.2

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

• Function
• Not a Function

Tags

CCSS.8.F.A.1

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values

• No, because the vertical line test shows there are repeating input values

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

• 0

• -3

• 3

• -1

Tags

CCSS.HSF.IF.A.2

Give the domain and range. Tell if it is a function.

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Function

• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Function

• D: {-4, -2, 0, 2}
  R: {-2, -2, 1, 1}
  Not a Function

• D: {-4, -2, 0, 2}
  R: {-2, 1}
  Not a Function

Tags

CCSS.8.F.A.1

What is g(-2) if:

• -7

• 7

• 1

• -1

Tags

CCSS.HSF.IF.A.2

Evaluate f(x) = x² for x = -8

• 64

• -64

• -16

• 16

Tags

CCSS.HSF.IF.A.2

Evaluate f(33)

• 33

• 11

• 10

• 8

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.A.1

• Function
• Not a Function