This word is used to describe the set of all inputs for a function.
What is the domain?
What is No, not a function? It does not pass the vertical line test.
f(-3) if f(x) = 2x +1
What it -5 ?
What is the y-intercept?

(0,4)
Find the DOMAIN:
{(-2, 4), (3, 2), (2, 10)}
What is {-2, 3, 2}?
f(n)=2n+1
g(n)=3n
Find (f+g)(-5)
-21
given g(x) = 7(x - 4.8)2+6.8
what is the parent function?
f(x) = x2
This word is used to describe the set of all outputs of a function.
What is the range?
What is Yes?
Let f(x) = x2 + x + 1; find f(-5).
What is 21?
describe the graph of
f(x) = x
diagonal line increasing left to right
evenly splits first and third quadrants
Express range in interval notation

[-1 , infinity)

What is the RANGE of the situation?
{0,20,40,60,80,100,120}
graph g(x) = |x| - 4
|x| shift down four
what is the name of the shape of the graph?
quadratic
parabola
The mapping diagram shows a function or not.

What is No, not a function?
Based on the graph of the function, what is f(4)?

f(4) = -2
Graph y = 4
What are the x and y intercepts?
x-intercept: none
y-intercept: (0,4)
Find DOMAIN:

all real numbers
(neg infinity, pos infinity)
f(x)=x^2+1
g(x)=2x-5
Find
(f-g)(-1)
9
given g(x) = 1/8(x - 2.7)2 - 4.7
describe the transformations in order:
1) horizontal shift
2) stretch and shrink
3) reflections
4) vertical shift
1) shift right 2.7
2) vertical shrink by 1/8
4) shift down 4.7
How do you determine if a GRAPH is a function or not?
What is the Vertical Line Test?
Does the following table represent a function?
x y
1 2
2 5
6 2
2 9
5 1
What is No, because the input (x) of 2 has two different outputs (y)?
h(q - 4) = ?
q2 - 4q
Describe or sketch the graph of
f(x) = 1/x
asymptotes at x and y axis
graph in first and third quadrant
T = {(7,n), (7,q), (3,m)}
what is the domain and range?
domain: {3, 7}
range: {n, m, q}
h(t) = -5t^2 + 45
Evaluate h(2)
25
given g(x) = 7(x - 4.8)2+6.8
describe the transformations in order:
1) horizontal shift
2) stretch and shrink
3) reflections
4) vertical shift
1) shift right 4.8
2) vertical stretch by 7
4) shift up 6.8
This word describes any set of ordered pairs where each x-value is paired with one y-value.
What is a Function?
Is this a function and why?

What is no, because x's repeat at 8?
Find f(4) =

0
4x - 2y = 8
What are the x and y intercepts?
(2, 0)
(0, -4)
What are the domain and range for any line?
(-infinity, infinity)
f(x) = 4x + 1 and g(x) = 4x - 3
Find
(fOg)(2)
21
graph g(x) = (x+1)3 - 5
x3 left 1 down 5