3/26 Square root functions

Which of the following is the function shown in the graph?

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What is the DOMAIN of the function?

• [-3, infinity)
•  [0, infinity)
• [3, inifinity)
• (-infinity, 0}

What is the domain of the function in this graph?

• (-infinity, 3]
• [3, inifinity)
• (-infinity, 0]
• [0, infinity)

What is the range of the function in this graph?

• (-infinity, 3]
• [3, infinity)
• (-inifnity, 0]
• [0 infinity)

What is the domain of this function?

 $y=\sqrt{x-1}-3$  

• {x ∣ x ≥ 1}

• {x ∣ x ≤ 1}

• {x ∣ x ≥ -3}

• {x ∣ x ≥ -1}

What is the range of this function?

 $y=\sqrt{x-1}-3$  

• {y ∣ y ≥ 1}

• {y ∣ y ≥ -1}

• {y∣ y ≥ -3}

• {y ∣ y ≤ -3}

What is the domain of this function?

 $y=\sqrt{x-2}+4$  

• {x ∣ x ≥ 4}

• {x ∣ x ≥ -2}

• {x ∣ x ≤ 2}

• {x ∣ x ≥ 2}

What is the range of this function?

 $y=\sqrt{x-2}+4$  

• {f(x) ∣ f(x) ≥ -2}

• {f(x) ∣ f(x) ≥ 2}

• {f(x) ∣ f(x) ≥ 4}

• {f(x) ∣ f(x) ≥ -4}

What is the equation of the graph?

• $y=\sqrt{x+3}$

• $y=-\sqrt{x+3}$

• $y=-\sqrt{x}+3$

• $y=\sqrt{x}+3$

• $y=-\sqrt{x+1}$

• $y=\sqrt{x+1}$

• $y=-\sqrt{x}-1$

• $y=\sqrt{x}+1$