Semester 2

Question 0

Define domain

Answer 0

X values (x,y)

Question 1

Define relation

Answer 1

Set of ordered pairs

Question 2

Define ordered pair

Answer 2

(X,y)

Question 3

Define range

Answer 3

Y values (x,y)

Question 4

Define function

Answer 4

Special type of relation

Each element of the domain is paired with EXACTLY 1 element of the range

Question 5

True or false:

X’s cannot repeat in a function

Answer 5

True. NO repeating!!!

Question 6

What do we use to determine if a graph is a function

Answer 6

Vertical line test

Question 7

Describe the vertical line test

Answer 7

Drag the vertical line across the graph

If the line touches more than 1 spot on the x axis NOT FUNCTION

Question 8

What is the function notation

Answer 8

The equation that is a function

Question 9

How is the function notation written

Answer 9

Y=f(x)

F(X) becomes f of x

Question 10

Function Notation Ex:

Y= 2x+1 becomes what?

Answer 10

F(X)= 2X+1

Question 11

Describe the arithmetic sequence

Answer 11

Numerical pattern that + or - by a constant rate called the common diffrence

Question 12

Recite the arithmetic sequence

Answer 12

a_n=a_1+(n-1)d

Question 13

In the arithmetic sequence formula what does N stand for?

Answer 13

The one we don’t know

we need to find it

Question 14

Arithmetic sequence formula what does a_1 stand for

Answer 14

First term of the sequence

Question 15

In arithmetic sequence formula what does D stand for

Answer 15

Common difference

Question 16

In the arithmetic sequence how do we find d

Answer 16

We subtract the previous term
EX: 21, 13, 5, -3
-3-5=-8   
5- 13=-8
13-21=-8