Key Features Square Root Functions

Identify the y-intercept

• (0,-1)

• (0,0)

• (4,-1)

• (0.063,0)

Tags

CCSS.HSF-IF.C.7B

Identify the Range

• (- ∞, -2 ]

• [ -2, ∞ )

• All Real Numbers

• [ 0, ∞)

Identify the end behavior

• x-> -∞, y-> -2

  x-> ∞, y-> -∞

• x-> -∞, y-> -∞

  x-> ∞, y-> -∞

• x-> -∞, y-> 0

  x-> ∞, y-> -∞

• x-> -∞, y->∞

  x-> ∞, y-> -∞

Tags

CCSS.HSF-IF.C.7B

• (- ∞, -2 ]

• [ 0 , ∞ )

• All Real Numbers

• [ -2 ,  ∞ )

Answer explanation

Find the domain.

Use a scratch graph to help you visualize things. 

• Domain: (-∞, ∞) 

• Domain: [1, ∞) 

• Domain: [-1. ∞)

• Domain: [4, ∞)

Answer explanation

Which equation matches the given graph?

• y = - √(x + 1)

• y = √(x + 1)

• y = - √(x) - 1

• y = - √(x) + 1

Tags

CCSS.HSF-IF.C.7B

Find the average rate of change for the graph of f(x) for [-3,0]. Write your answer as a fraction in simplest form.

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

Find the average rate of change for [0,5]

Mathematical Equivalence

ON

Tags

CCSS.8.F.B.4

CCSS.HSF.IF.B.6

What is the equation of the graph?

• y = -√(x + 5)

• y = -√(x + 3)

• y = -√(x - 3)

• y = -√(x) + 3

Tags

CCSS.HSF-IF.C.7B

Find the domain and range of the function