Review for Unit 1 Test - PreCalc

When is the function decreasing?

• (30, 55)

• (40, 60]

• (15, 40)

• (60, -40)

Tags

CCSS.HSF.IF.B.4

When is this function increasing?

• (-3, 3)

• (-2.5, 2.5)

• [-3, 3]

• (3, ∞)

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

Express the following in Interval Notation
-8 ≤ x < 8

• [-8, 8]
• [-8,8)
• (-8, 8]
• (-8, 8)

Tags

CCSS.6.EE.B.8

Express the following interval in Set notation:
(-7, 15]

• -7 ≤ x ≤ 15
• -7 < x ≤ 15
• -7 ≤ x < 15
• -7 < x < 15

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

Write the following in interval notation
 x < 8

• (8, ∞)
• (8, -∞)
• (-∞, 8)
• [-∞, 8]

Tags

CCSS.6.EE.B.8

Write  $\left[19,\infty\right)$  in set notation

• x > 19

•  $x\ge19$  

• x < 19

•  $x\le19$  

What is the RANGE?

• (-∞, ∞)
• (-2, ∞)
• [-2, ∞)
• (-∞, 0) U (0, ∞)

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

What is the domain of the graph?

• [-7, 5)
• (-7, 5]
• [-3, 1)
• (-3, 1]

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

f(0) =

• 1

• 0

• -1

• undefined

Tags

CCSS.HSF.IF.A.2

f(4) =

• 1

• 16

• 7

• undefined

Tags

CCSS.HSF.IF.A.2