2.4-2.7 Alg2 Review Quizizz

What is the domain & range of

f(x)=2|x|- 4?

• D={all real numbers}, R={all real numbers}

• D={all real numbers}, R= [-4, inf)

• D={all real numbers}, R= [4, inf)

• D= [-4, inf), R= {all real numbers}

Describe the transformations of

g(x) = -1/9(x-2)^2 from f(x) = x^2.

• Reflected over x-axis, vertical shrink by factor of 1/9, right 2

• Reflected over y-axis, vertical shrink by factor of 1/9, right 2

• Reflected over x-axis, vertical shrink by factor of 9, left 2

• Reflected over y-axis, vertical shrink by factor of 1/9, left 2

What are the x-intercepts of

f(x)=x^2-x-6?

• (3,0), (-2,0)

• (-3,0), (-2,0)

• (3,0), (2,0)

• (-3,0), (2,0)

What are the y-intercepts of

f(x)=x^2-x-6?

• (3,0), (-2,0)

• (0,-6)

• (-3,0), (2,0)

• (0,6)

What does it mean when I say a function is positive for a particular interval?

• The graph is located only in Quadrant I.

• The graph is located in both or either Quadrants I & II.

• The graph is located only in Quadrant II.

• The graph is located in both or either Quadrants II & III.

Using the pictured graph, what is f(-3)? 

• -3
• -1
• 1
• 3

Tags

CCSS.HSF.IF.A.2

On the graph, which portion of the piecewise function is represented in red?

• x
• 0.5x + 2.5       
• -1
• 0.5x + 2

Tags

CCSS.HSF-IF.C.7B

What is the DOMAIN of the function?

• All real numbers

• x ≤ 4

• x < 4

• 0 ≤ x ≤ 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Find f(2)

• f(2) = 0

• f(2) = 1

• f(2) = 3

• f(2) = 4

Tags

CCSS.HSF.IF.A.2

1. What is this type of function called?

• Discrete Function

• Segment Function

• Step Function

• Jump Function

• Linear

Tags

CCSS.HSF-IF.C.7B