PreCalc Midterm Review - Unit 1

When writing a solution in interval notation, what brackets do i use for:

> or <

• [ ]

• ( )

When writing in interval notation, what kind of brackets do I use for:

or ≤ or ≥

• [ ]

• ( )

Write the following solution in interval notation:

x ≥ -3

• [ -3, ∞ )

• ( -3, ∞ )

• ( -∞ , -3 )

• ( -∞ , -3]

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.REI.B.3

Write the following solution in interval notation:

z < 20

• ( -∞ , 20 )

• ( 20,∞)

• ( -∞ , 20)

• ( -∞ , 20]

Tags

CCSS.6.EE.B.8

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

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

Tags

CCSS.HSA.CED.A.1

CCSS.HSA.CED.A.3

CCSS.HSA.REI.B.3

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

What type of function is shown?

• cube root
• square root
• logarithm
• exponential

What is the function?

• |x|-1

• |x-1|

• |x|

• 2|x|-1

What is the function?

• -(x+5)²

• -(x-5)²

• -x²-5

• (x+5)²

What is the equation of this graph?

• f(x) = -(x + 1)² + 3
• f(x) = -(x - 1)² + 3
• f(x) = -(x + 1)² - 3
• f(x) = -(x + 1)² - 3