Solving Square Root Functions in Real World

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

• 
• 
• 
• 

Tags

CCSS.HSF-IF.C.7B

Find the domain and range of the function
Hint:  Use a scratch graph to help you visualize things. 

• Domain: (-∞, ∞)  Range: [-∞, 4]

• Domain: [1, ∞)  Range: (-∞, 4]

• Domain: [-1. ∞) Range: [4, ∞) 

• Domain: [4, ∞) Range: [-1,∞) 

Solve for x.

• x = 12

• x = 4

• x = 6

• no solution

Tags

CCSS.HSA.REI.A.2

Question 8

• 8

• 2

• 9

• 0

Tags

CCSS.HSA.REI.A.2

Question 9

• ⅜

• -½

• ⅜ and -½

• No Solutions

Tags

CCSS.HSA.REI.A.2

Solve the function. Check for extraneous answers.

• x = 3 and x = 2

• x = 2

• x = -3 and x = -2

• x = -2

Tags

CCSS.HSA.REI.A.2

Question 5

• 10

• 5

• -10

• -5

Tags

CCSS.HSA.REI.A.2

What is the domain of the function in this graph?

• (-infinity, 3]

• [3, inifinity)

• (-infinity, 0]

• [0, infinity)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the range of the function in this graph?

• (-infinity, 3]

• [3, infinity)

• (-inifnity, 0]

• [0 infinity)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of these equations shifts a radical equation right 5 times and down once?

• y = √(x - 5) - 1

• y = √(x + 5) - 1

• y = √(x - 5) + 1

• y = √(x + 5) + 1

Tags

CCSS.HSF-IF.C.7B