Functions
Evaluation
Domain and Range
Linearity and Continuity
Intercepts
100
Is this a function?
{(3,0), (9,3), (2,3), (7,-2), (9,8)}
NOT a function
100
Evaluate the given function for the f(8):
f(x)=2x
f(8)=16
100
Fill in the blank:
For domain, scan your pencil _______ to _______ along the ___-axis.
For domain, scan your pencil left to right along the x-axis.
100
Is this function continuous, discrete, or neither?
It is CONTINUOUS.
100
What are the x-intercepts of the graph?
-4 and 2
200
What test do you use to see if a graph is a function?
Vertical Line Test
200
Evaluate the given function for f(-2):
f(x)= -x²
f(-2)=-4
200
What is the range of this function?
[0, ∞)
200
Is this function continuous, discrete, or neither?
It is NEITHER.
200
I have a y-intercept when x=___?
ZERO
300
Is this a function?
It IS a function.
300
Evaluate the given function for g(7):
g(x)=3x² +9
g(7)=156
300
What is the domain of the function?
[-1,1]
300
Is the following function linear or nonlinear?
It is LINEAR.
300
What is the y-intercept for the following funtion?
-4
400
Fill in the blank:
Each ________ has exactly one _________.
Each input (x) has exactly one output(y).
400
Evaluate the given function for h(3):
h(x)=x² -2x+7
h(3)=10
400
What is the range of this function?
{(2,-3), (4,-1), (6, 1), (8,4)}
{-3,-1,1,4}
400
Is this function linear or nonlinear?
3x2-√9x2-y=17
It is LINEAR.
400
What are the x- and y-intercepts of the following function?
x-intercept: 0
y-intercept: 0
500
Is this graph a function?
It IS a function.
500
Evaluate the given function for f(-2):
f(x)= |x - x²|
f(-2)= 6
500
What is the domain and range of this function?
Domain: (-∞ ,∞)
Range: 2
500
Is the following function linear or nonlinear?
y=9x3+3x-(3x)3+5
It is NONLINEAR.
500
What are the x- and y-intercepts of the function?
x-intercept: 2
y-intercept: 4