Functions

Question 1

What is a function?

Answer 1

An algebraic rule

Question 2

What is the domain?

Answer 2

The input

Question 3

What is the range?

Answer 3

The output

Question 4

How do you denote functions?

Answer 4

f(x) = OR f:x —>

Question 5

How do you denote a discrete domain (numbers already given to input into the function)?

Answer 5

{x:x = …}

This means that x = …..

Question 6

How is the range denoted?

Answer 6

{…}

Question 7

What are real numbers?

Answer 7

All whole numbers, fractions, decimals, negatives and irrationals