What is domain?
The domain is the set of all possible x-values.
What is range?
The set of corresponding y values.
For the function
{(0,1),(1,-3),(2,4),(-4,1)}
What is the domain and range?
D={0,1,2,-4}
R={1,-3,-4}
True or False
When multiplying fractions, you should MULTIPLY the numerators?
True
(1/2) / (5/8)?
4/5
What variable is commonly used for domain?
X
What is the range of?
(9,-2)(4,3)
(8,10)(-4,8)
{(0,1),(1,-3),(2,-4),(-4,1)}
What is the domain and range?
D={0,1,2,-2}
R={1,-3,-4}
When multiplying a MIXED number, you must convert it to an ______________ BEFORE multiplying?
Improper fraction
True or False
When diving fractions, you do NOT need to convert mixed numbers to an improper fraction?
False
h(x)=2^x-4h,
What is the domain of h?
All real values of x.
What is the range of this functions?
y=.5x+6
All real numbers
All of the y values or outputs are called what?
Range
Am improper fraction is when the numerator is larger than the denominator?
True
A ______ is a fraction that is flipped.
Reciprocal
Find the domain of f(x) = 2x + 7.
(- ∞ , + ∞)
y=x2+5x-2
All real numbers greater than or equal to -8.
All of the x values or inputs are called what?
Domain
True or False
When multiplying fractions, you should add the denominators?
False
When the quotient is an improper fraction, you should convert to a _________.
Mixed Number
Find the domain of
h(x) = (x - 6) / (2x - 8).
(- ∞ , 4) U (4 + ∞)
What is the range of this function if the domain is 2.
y=4-3x
-2
What is the range of the following functions, if the domain is
{1,7,10}?
f(x)=x+4
{5,11,14}
Improper fractions should be converted to a ________when simplifying ?
Mixed Numbers
What operation is used when you are given the total and asked for ¨ëach ¨ part/piece?
Division