Input and Output Function

All of the x values or inputs are called what?

• Domain

• Range

• Relation

• Function

If you give Sasha an input of 5, what is the output?

• 5

• 2

• 10

• 1

If you give Sasha an input of 1, what is the output?

• 5

• 2

• 10

• 1

If you give Sasha an input of -9, what is the output?

• -18

• 16

• -12

• 20

If Sasha's output is 8, what was the input?

• 8

• 16

• 4

• 2

Derman's rule is to multiply by 16, add 32, then divide the result by 8 and subtract 4.

Which produces the following table:

What is a more simple rule that does the same thing?

• Divide by 0.5

• Add 4

• Multiply by 2

• Subtract by negative 2

Consider a light switch to be a function. What is the input?

• The color of the light switch

• The lights turning on or off

• Flipping the light switch

• The wires connecting the light switch to the light

What is the best definition of a function?

• A rule that takes an input and will randomly assign an output.

• A rule that takes inputs and gives outputs based on that rule.

• A rule that predictably takes an input and gives one output every time.

Which rule is a function?

• Flipping a coin to add 3 to the input or add 4

• Add 3 to the input

• The output is larger than the input

Which rule is NOT a function?

• Add 4 to the input

• the output is random