Solving Square Root Functions in Real World

The square root function g(x) is shown. g(x) = √(x − 3) + 2 What are the restricted domain and range of the inverse of g(x)?

• Domain: x > 2 Range: y > 3

• Domain: All real numbers. Range: All real numbers greater than or equal to 3.

• Domain: [3, ∞) Range: [2, ∞)

• Domain: {x | x ∈ ʀ, x ≥ 2} Range: {y | y ∈ ʀ, y ≥ 3}

Tags

CCSS.HSF-BF.B.4D

Which statement about the functions a(x), b(x), and c(x) is true?

• All three functions have an x-intercept at x = -4.

• All three functions have a range of [0, ∞).

• All three functions include x = -4 as an element of their domain.

• All three functions have a minimum value of -4.

Tags

CCSS.8.F.A.2

CCSS.HSF.IF.C.9

If I know the area of a square, how do I find the side length?

• I square the area.

• I divide the area by 2.

• I take the square root of the area.

• I divide the area by 4.

Tags

CCSS.8.EE.A.2

Between which two consecutive whole numbers is the√200? 

• 13 and 14

• 15 and 16

• 14 and 15

• 11 and 12

Tags

CCSS.8.NS.A.2

Which number has a square root that is between 7 and 8?

• 48

• 81

• 60

• 36

Tags

CCSS.8.EE.A.2

The √20 is between which two consecutive integers?

• 2 & 3

• 3 & 4

• 4 & 5

• 5 & 6

Tags

CCSS.8.NS.A.2

x² = 121
What does x equal?

• 11²

• 11 and -11

• 20 and 11

• 12 and 1

Tags

CCSS.8.EE.A.2

What type of function is shown?

• cube root

• square root

• logarithm

• exponential

Tags

CCSS.HSF-IF.C.7B

What is the equation of the graph?

• y = -√(x + 5)

• y = √(x) - 2

• y = √(x - 3)

• y = -√(x) + 3

Tags

CCSS.HSF-IF.C.7B