Unit 2 Function Test Review

What is the RANGE of the function?

• (-∞, ∞)

• (-∞, 4]

• (-∞, 4)

• [0, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find the domain and range of the graph shown.

• domain: (-∞, ∞), range: [0, ∞)

• domain: (-∞, ∞), range: (-∞, ∞)

• domain: [0, ∞), range: (-∞, ∞)

• domain: (-∞, ∞), range: [2, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find the y-intercept(s).

• (0,0)

• (-2,0) and (2,0)

• (4,0)

• (0,4)

Find the interval on which the graph is increasing.

• (-∞, -1)

• (-1, 4)

• (4, ∞)

• Not increasing on any interval

Does this table represent a function?

• Yes, this is a function.

• No, this is not a function.

Tags

CCSS.8.F.A.1

Find the range of the function.

• [-5, 3]

• [-2, 3]

• [-5, 4]

• [-2, 4]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Identify the x-intercept(s) of the Graph

• (-1,0)
• (-2, 0) & (1/2, 0)
• (0,-1)
• (0,-2) & (0, 1/2)

Tags

CCSS.HSF-IF.C.7A

Identify the interval(s) of increasing of the Graph

• (-∞, -1)
• (-1, ∞)
• (-∞, -2)
• (-2,∞)

Identify the interval(s) of decreasing of the Graph

• (-∞, -1)
• (-1, ∞)
• (-∞, -2)
• (-2,∞)

What statement is false?

• A one to one function has an inverse function.

• All functions have an inverse function.

• The x-intercept of f(x) becomes the y-intercept of $f^{-1}\left(x\right)$ .

• (3, 4) on f(x) becomes (4, 3) on $f^{-1}\left(x\right)$ .

Tags

CCSS.HSF-BF.B.4C