Unit 2 Review

What is the domain?

• -3 < y ≤ 3

• -4 ≤ y ≤ 5

• -4 ≤ x ≤ 5

• -3 < x ≤ 3

What is the RANGE?

• (-∞, ∞)

• (-2, ∞)

• [-2, ∞)

• (-∞, 0) U (0, ∞)

What is the domain of the graph?

• [-7, 5)

• (-7, 5]

• [-3, 1)

• (-3, 1]

What is the domain of this function?

• All Real Numbers

• -1 ≤ x ≤ 1

• -1 ≤ f(x) ≤ 1

• 2

What is the range of this function?

• All Real Numbers

• -1 ≤ x ≤ 1

• -1 ≤ f(x) ≤ 1

• 1 ≥ x

Which equation is shown?

• y = (x-2)²

• y = (x+2)²

Which equation shows a function that is translated left 4 and 7 up?

• y = |x + 4| + 7

• y = (x - 4)² + 7

• y = (x + 7)² - 4

• y = |x + 4| - 7

  . 
The blue graphs is the parent function f(x)=|x|, the red must be

• g(x)=|x+2|

• g(x)=|x|+2

• g(x)=|x-2|

• g(x)=|x|-2

The graph shows the function f(x)=x² in blue and another function g(x) in red.  Which could be the equation for g(x)?

• A.  g(x)=3x²

• B.  g(x)=1/3x²

• C.  g(x) = x² - 3

• D.  g(x) = (x-3)²

The graph shows the function f(x)=x² in blue and another function g(x) in red.  Which could be the equation for g(x)?

• A.  g(x) = 2x²

• B.  g(x) = 1/2x²

• C.  g(x) = x² + 2

• D.  g(x) = (x + 2)²