Function Outputs and Operations

The video tutorial introduces the concept of functions, focusing on function machines, inputs, outputs, and function tables. It explains how to solve functions using examples with different inputs and rules, including handling negative numbers and opposite signs. The tutorial also covers using function tables to manage multiple inputs and calculate corresponding outputs.

What is the term used for the number you input into a function?

• Output

• Variable

• Rule

• Input

Which letter is commonly used to represent the input in a function?

• Z

• Y

• X

• A

What operation is performed on the input to get the output?

• Function Rule

• Subtraction

• Addition

• Multiplication

In the function y = 2x + 3, what is the output when the input is 1?

• 9

• 7

• 5

• 3

What is the result of 2 times 1 plus 3?

• 5

• 6

• 3

• 2

In the function y = -x - 5, what is the output when the input is -3?

• 5

• -2

• 2

• -8

What is the opposite of -3?

• 6

• -3

• 0

• 3

How do function tables differ from function machines?

• They use visuals

• They use only one input

• They have multiple inputs

• They are more complex

What is the output when the input is -6 in the function y = x - 2?

• -4

• -6

• -8

• -10

What is the output when the input is 2 in the function y = x - 2?

• 0

• 2

• 6

• 4