Algebra 1 Square Root Functions

What is the name of the parent function and equation for the graph?

• Quadratic - y = x²

• Absolute Value - y = |x|

• Square Root - y = √x

• Cube Root - y = ∛x

What is the domain of the graph?

• {x| x ≥ 1}

• {y| y ≥ 1}

• {x| x ≥ 0}

• {y| y ≥ 0}

True or False: Square root functions are a type of radical function.

• True

• False

On what x-intervals is the graph increasing?

• (-∞,+∞)

• [0, +∞)

• (-∞,0]

• (0,+∞)

Which equation is shown graphed?

• y = 2√(x)

• y = −2√(x)

• y = −½√(x)

• y = ½√(x)

Which function matches the graph?

• f(x) = √(x - 4) - 2

• f(x) = √(x + 2) - 4

• f(x) = √(x - 2) - 4

• f(x) = √(x + 4) - 2

Graph each function.

• 
• 
• 
• 

• Square Root

• Cube Root

• Rational

• Quadratic

• Cubic

• Logarithm

• Square Root

• Cube Root

• Rational

• Exponential

• Linear

What is the range for the graph?

• Range : (-∞, +∞)

• Range: [0, +∞)

• Range: (-∞, 0)

• Range: (-3, 10)