MATH IV (SPRING 2022); 01/31; ENTRY; DOMAIN, RNGE, & PCWSE

Find the Domain.

• All real numbers
• x > 3
• x > 0
• x ≥ 0

What is the domain of this function?

• 1 ≤ f(x) ≤ 7
• 1 ≤ x ≤ 7
• -3 ≤ f(x) ≤ 3
• -3 ≤ x ≤ 3

What is the Range of this linear function?

• -6 ≤ y ≤ 6, integers

• 0 ≤ y ≤ 6, real numbers

• 0 ≤ y ≤ 6, integers

• 4 ≤ y ≤ 3, real numbers

Find the DOMAIN

• {-5, -2, 1, 4}

• {1, -2, 4, -5}

• {-1, 0, 2, 3}

• {0, -1, 2, 3}

Find the RANGE

• {-5, -2, 1, 4}

• {1, -2, 4, -5}

• {-1, 0, 2, 3}

• {0, -1, 2, 3}

What is the domain interval for the green piece of this function?

• -2 < x ≤ 1

• -1 < x ≤ 0.5

• x > -2

• x ≤ 1

What is g(7) if:

• -17
• -13 
• 13       
• 17

Which graph matches:

-x+4 if x < 2

2x-6 if x ≥ 2

• A

• B

• C

• D

Write the following in interval notation
 x < 8

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

Write the following in interval notation
x ≥ 100

• (0, 100]  (Real quick)
• (∞, 100]
• [100, ∞)
• (∞, 100)