Warm up - Domain & Range, Functions

Is this mapping a function or not a function? 

• Function
• Not a Function

What is the domain of the graph?

• 
• 
• 
• 

What is the range of the graph?

• y≥1
• x≥1
• All real numbers
• none of these

What is the domain?

• -3 < y ≤ 3
• -4 ≤ y ≤ 5
• -4 ≤ x ≤ 5
• -3 < x ≤ 3

Evaluate f(-2) if f(x) = x²+ 3

• -1

• 1

• 7

• -7

For what value of t is H(t) = 4" ? 

• 0
• 1
• 2
• 14

Which ordered pair below would prevent this table from being a function?

• (10, 10)
• (2, 4)
• (6, 1)
• (-2, 0)

Which graph is not a function?

• Graph 1
• Graph 2
• Graph 3
• Graph 4

What is the range?

• -4 < x ≤ 5

• -4 ≤ x < 5

• -3 < y < 3

• -3 ≤ y ≤ 3

f(x) = x+3

Find x when f(x) = 8

• -1

• 1

• 5

• -5