Algebra 1 Review

3(2c - 5)

• 6c - 15
• 6c + 15
• 6c + 15
• -6c - 15

2(c - 8)

• 2c - 16
• 2c + 16
• 2c - 8
• c - 16

Simplify by combining like terms:
5a + 2b - 3a + 4

• 8a + 2b + 4
• 2a + 2b + 4
• 8ab
• 4ab + 4

-r -10r

• 11r
• -11r
• 9r
• -11

n -10 +9n -3=

• -3
• 9n-3
• n
• 10n -13

What is the definition of function?

• Has inputs and outputs
• Every input has only ONE output
• Inputs have different outputs every time
• x-values and y-values

Is this mapping a function or not a function? 

• Function
• Not a Function

Is the relation a function? Why.

• Yes, because the x-value 11 has two y-values pair with it.
• Yes, because each x-value has only one y-value paired with it.
• No, because the x-value 11 has two y-values pair with it.
• No, because each x-value has only one y-value paired with it.

Is this graph a function or not a function? 

• Function
• Not a Function

Is this table a function or not a function? 

• Function
• Not a Function