Unit 3 Review

Which graph matches:
2x+3 for x<=0
.5x-1 for x>0

• A
• B
• C
• D

Tags

CCSS.HSF-IF.C.7B

What is the DOMAIN?

• (-∞, +∞)
• (-∞, -1] U [3, +∞)
• [-1, +∞)
• (-1, 0] U (0, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the RANGE?

• (-∞, +∞)
• (-∞, 0) U [0, +∞)
• (-∞, -2] U (3, +∞)
• (-∞, 2] U (2, +∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What value of c would make the function continuous?

• 1
• 2
• -1
• -3

Which piecewise function corresponds to this graph? (Take your time)

• f(x) = { x  if x < 4;   -x+1  if x ≥ 4
• f(x) = { x  if x ≤ 4;  -x+1  if x > 4
• f(x) = { -x+1  if x < 4;  x  if x ≥ 4
• f(x) = { -x+1  if x ≤ 4;  x if x > 4

What is the equation of the graph below?

• f(x) = I x + 2 I 
• f(x) = I x + 2 I +2
• f(x) = I x - 2 I +2
• f(x) = I x - 2 I 

Tags

CCSS.HSF-IF.C.7D

What is the equation of the graph below?

• f(x) = - I x + 2 I 
• f(x) = - I x - 2 I 
• f(x) =  I x + 2 I 
• f(x) =  I x - 2 I 

What is the range of the function?

• (-∞,4]
• (-∞,∞)
• [4, ∞)
• (4,∞)

Which graph matches the function:
y = -2|x - 3| + 5

• A
• B
• C
• D

Evaluate f(0).

• 3
• 0
• 2
• 5