Radicals and Functions

What is the domain of the graph of the radical function?

• (-infinity, infinity)
• [-7, infinity)
• (0, infinity)
• [4, infinity)

Match the correct equation with the given graph.

• y = √(x - 3)
• y = √(x) + 3
• y = √(x + 3)
• y = √(x) - 3

• A
• B
• C
• D

• A
• B
• C
• D

• The range is y ≤ 0
• The function has a domain: All Real #s
• The function has a range: y ≥ 0
• The function has a domain: x ≥ 0

Solve and check your solution(s).

• x = -2
• x = -2, 3
• x = -2, -3
• x = -3

• The range is y ≤ 0
• The function has a domain: All Real #s
• The function has a range: y ≥ 0
• The function has a domain: x ≥ 0

What is the domain of the graph of the radical function?

• (-infinity, infinity)
• (-7, infinity)
• (0, infinity)
• (4, infinity)

What is the range of the graph of the radical function?

• (-infinity, infinity)
• (-7, infinity)
• (0, infinity)
• (4, infinity)

• 10 & 5
• 10
• 5
• 7 & 1