What Is A Function

What is the output of the function f(x) = 5x - 2 when the input is 3?

• 17

• 11

• 13

• 15

If f(x) = 35, what is the input x for the function f(x) = 5x - 2?

• 5

• 7

• -7

• -5

Which of the following is NOT a rule for a function?

• Every input can only have one output.

• Functions can be represented by different letters.

• An input can have multiple outputs.

• Every input must have an output.

What does the domain of a function represent?

• The set of possible outputs

• The set of possible inputs

• The range of the function

• The graph of the function

What will be covered in future videos according to the transcript?

• Linear functions

• Quadratic functions

• Composite and inverse functions

• Trigonometric functions