Functions and Function Notations

Function notation
If f(x) = 3x² - 4 + 2x,find f(6)

• 332
• 116
• 84
• -16

Function notation
If f(t) = t² - t,find f(-8)

• -72
• -56
• 56
• 72

Function Notation
If p(a) = 4a, find p(9).

• 13
• 49
• 36
• 262144

Function: Ordered Pair - is it a function?
Is this a function?
{(2, 5), (3, 6), (5, 2), (0, 5), (8, 1), (9, 3)}

• Yes
• No
• Not enough information to decide

Function - Domain
Give the domain of this relation:
{(2, 5), (3, 6), (5, 2), (0, 5), (8, 1), (9, 3)}

• {2, 3, 5, 0, 8, 9}
• {5, 6, 2, 1, 3}
• {(2, 5), (3, 6), (5, 2), (0, 5), (8, 1), (9, 3)}

Function - Range
Give the range of this relation:
{(2, 5), (3, 6), (5, 2), (0, 5), (8, 1), (9, 3)}

• {2, 3, 5, 0, 8, 9}
• {5, 6, 2, 1, 3}
• {(2, 5), (3, 6), (5, 2), (0, 5), (8, 1), (9, 3)}

Function - Vertical Line Test
Is this a function?

• Yes
• No
• Not enough information to decide

Function - Vertical Line Test
Is this a function?

• Yes
• No
• Not enough information to decide

Function - Vertical Line Test
Is this a function?

• Yes
• No
• Not enough information to decide

Given h(x) = -x²+3x, find h(5). 

• h(5) = 40
• h(5) = -10