Are You Having Fun(ction)?
This word is used to describe the set of all inputs for a function.
What is the domain?
What is a constant?
A constant is something that stands alone.
Does the following table represent a function? Explain why?
x y
1 2
2 5
6 2
2 9
5 1
No, because 2 has more than y value.
What two types of numbers make up the Real Number System?
Rational and Irrational Numbers
What is -6+8 ?
2
This word is used to describe the set of all outputs of a function.
What is the range?
What is the difference between a coefficient and a constant?
A coefficient is a number in front of a variable (being multiplied) while the constant is the number that stans alone.
Function or Not: Explain why.
(2,3) (4,5) (6,8) (7,14)
It is a function because every x has one y.
What number do whole numbers start with?
In the Real Number System, whole numbers start at 0.
What is the reciprocal of 2/5?
5/2
This word describes a relation that pairs each x value with only one y value.
What is a function?
What are the coefficients in the expression?
2a+3b+c
The coefficients are 2, 3, and 1.
Find the DOMAIN and RANGE
{(-2, 4), (3, 2), (2, 10)}
D: -2, 3, 2
R: 4, 2, 10
Is Pi rational or irrational?
Irrational
When you multiply a positive and a negative what do you get?
Negative
What visual test can be used to determine if a graph is a function?
What is the Vertical Line Test?
Simplify the expression:
2(x+4)
2x+8
What is the difference between a mapping table and ordered pair?
An ordered pair just has (x,y) while a mapping table separates x and y using arrows.
Is 1/3 rational or irrational?
1/3 is rational.
X is the horizontal line.
This word describes any set of ordered pairs or the mapping between a set of inputs and a set of outputs.
What is a Relation?
Combine Like Terms:
2x+3y+2x2+4y
2x2+2x+7y
In the function introduction video, when you input (chicken) what do you get out?
Chicken Nuggets
Is 2.456788899900 rational or irrational?
Irrational
A hexagon has how many sides?
6