Defined Functions

What is f(-1)?

• A

  6

• B

  -2

• C

  sqrt(2)

• D

  Does Not Exist

What is g(7) if:

• -17

• -13

• 13

• 17

What is g(4) if:

• -17

• -13

• 13

• -5

Using the pictured graph, what is f(-3)?

• A

  -3

• B

  -1

• C

  1

• D

  3

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

Does this mapping diagram represent a function?

• No, because an input value goes to multiple output values

• Yes, because each input goes to one and only one output

Does the mapping of these points represent a function? (Note: the left oval represents your x values and the right oval represents your y values)

• 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.

What is this type of function called?

• A

  Discrete Function

• B

  Segment Function

• C

  Step Function

• D

  Jump Function

What is the cost to ship a 13lb item?

• A

  0

• B

  15

• C

  18

• D

  25