Unit 1 - LT 1&2

Question 1

what is a function?

Answer 1

a relation where each input has only one output

Question 2

vertical line test

Answer 2

if you place a vertical line anywhere on the relation it should only hit 1 point in order to be considered a function

Question 3

function equation

Answer 3

doesn’t have x squared and y squared, and +or-

Question 4

function notation

Answer 4

• a different type of y
• means “f of x” or “f at x”
• f(x) is dependent on x

Question 5

domain

Answer 5

• all possible independent variables of a function (x)

- horizontal transformations determine domain in equations

Question 6

range

Answer 6

• all possible dependent variables of a function

- vertical transformations determine the range in equations