Module 3 Review

Identify the independent and dependent variables.

• time; temperature

• temperature; time

Is this a function? 

• Yes 
• No

Does the graph represent a function?

• Yes, because the vertical line test shows there are no repeating input values
• No, because the vertical line test shows there are repeating input values

Is this table a function or not a function? 

• Function
• Not a Function

Is the graph pictured discrete or continuous?

• Discrete
• Continuous

Discrete or Continuous?

• Discrete
• Continuous

Consider the function f(x)=9x+5.  Find f(7).

• 102
• 68
• 7
• 21

What is the RANGE?

• {-3, 3]
• all real numbers
• [-4, 5]
• [-4, ∞)

Which relation is NOT a function?

• {(1,-5), (3,1), (-5,4), (4,-2)}
• {(2,7), (3,7), (4,7), (5,8)}
• {(1,-5), (-1,6), (1,5), (6,-3)}
• {(3,-2), (5,-6), (7,7), (8,8)}

Is this mapping a function or not a function? 

• Function
• Not a Function