3.1-3 Quiz

Question 1

Piecewise Functions

Answer 1

Made up of two or more functions, each with its own domain

Question 2

Evaluating Piecewise Functions

Answer 2

Find which domain the x-value makes true, then plug the x-value into the corresponding function

Question 3

Graphing Piecewise Functions

Answer 3

Graph then erase according the the respective domain

Question 4

Absolute Value Function

Answer 4

Written as f(x)=|x|

Question 5

Absolute Value Graph

Answer 5

Looks like a V

Question 6

Turning Point

Answer 6

Called the vertex

Question 7

Graphing Absolute Values by Table

Answer 7

Place vertex in middle then include values on both sides

Question 8

Steps to Graphing Absolute Values by Table

Answer 8

1) Find the x-value of the vertex by setting the expression inside the absolute value to 0 and solving
2) Place this value in the middle row of your table and complete the table
3) Graph

Question 9

Absolute Value Pointing Down

Answer 9

Negative sign in front of absolute value

Question 10

Using Union

Answer 10

Use union and brackets whenever there is a jump

Question 11

Steps to Graphing Absolute Value Inequalities

Answer 11

1) Create a table of values with the vertex in the middle row
2) graph using a dashed line for < or > symbols and a solid line for ≤ or ≥ symbols
3) Shade above the line for > or ≥ symbols and below the line for < or ≤ symbols (or test)