test

Which set of values is a function?

• (9,5) (10,5) (9,-5) (10,-5)
• (3,4) (4,-3) (7,4) (3, 8)
• (6,-5) (7, -3) (8, -1) (9, 1)
• (2, -2) (5, 9) (5, -7) (1, 4)

• Function
• Not a Function

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 mapping a function or not a function? 

• Function
• Not a Function 

• Discrete

• Continuous

• Discrete

• Continuous

• Discrete

• Continuous

If a question asks you to find f(2), what does that mean?

• Let x = 2

• Let y = 2

Evaluate f(-2) if f(x) = x + 3

• -1
• 1
• 5
• -5

Given f(x) = -4x - 10 and f(x) = 10. Find x

• x = -5
• x = 5
• x = -50
• x = 30