Review Functions and Linear Graphs

Which function has a range of f(x) ≤ 3/4 ?

• f(x) = 3/4 x + 5

• f(x) = –x² + 3/4

• f(x) = x² – 3/4

• f(x) = 3/4 – 5x

What is the DOMAIN of this graph?

• -4 ≤ x ≤ 3

• -1 ≤ x ≤ 4

• 4 < x < 3

• -1 < x < 4

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the x-intercept for the given graph?

• 1

• -2

• 2

• 1/2

What is the y-intercept shown on the graph?

• (0, -2)

• (3, 0)

• (0, 3)

• None of these.

Use the graphs of f and g to describe the transformation from the graph of f to the graph of g.

• The graph of g is a vertical translation 4 units up from the graph f

• The graph of g is a horizontal translation of the graph of f, 4 units right

• The graph of g is a horizontal translation of the graph of f, 4 units left

• The graph of g is a vertical stretch of the graph of f, by a factor of 7

What is the RANGE of this graph?

• -7<x<5

• -7≤y<5

• -3<x<1

• -3≤y<1

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

Which of the following graphs have a domain of -4<x≤6?

• A

• B

• C

• D

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

For the function {(0,1), (1,-3), (2,-4), (-4,1)}, write the domain.
Remember:  Domain is x 
(x,y)

• D: {1, -3, -4,}
  R: {0, 1, 2, -4}

• D:{0, 1, 2, -4}
  R:{1, -3, -4}

• D:{0, 1, 2, 3, 4}
  R:{1, -3, -4}

From the equation y = 3x + 18,  what is the value of the x-intercept?

• -6

• 6

• 18

• 3

What is the slope of y=2x + 4?

• 2x

• 2y

• 2

• 4

Tags

CCSS.8.EE.B.5