Domain & Range/ Real World Graphs
Domain & Range of the relation:
{(-3,2) (4,2) (2,-3) (-1,0) (-3,-2) (1,-4)}
What is
Domain: (-3,-1,1,2, 4)
Range:(-4,-3,0,2)
Results from inputting a value into the function.
What is Output?
f(x): x2-2x-11
F(5)
What is 4?
Identify the zeros of the graph.
What is (-3,0) & (5,0)?
What is the slope and y-intercept?
-3x+3y=21
M=1
B=7
Label the X and Y Axis:
Plant growth verses time
What is: x-axis time and y axis plant growth.
y=6.2
Linear or Non-Linear
What is Linear?
y=0x+6.2
h(x): |2x2-3|-27
h(7)
What is 68?
f(x): x-11
What is (0,-11) & (11,0)?
What is the slope of:
-49x+7y=21
M=7
B =3
Is this a function?
{(-3,-1) (-2,-3) (0,-1) (-2, 3) (2, 5)}
What is no?
A value substituted for X.
What is input?
f(x): x-2 g(x): -x2+31
f(-2) - g(-4)
What is -19?
Find the intercepts algebraically
F(x): 3/4x+12
What is (0,12) & (-16,0)?
F(x): 2x-4,
g(x) shifts 2 units right
What is g(x): 2x-8?
Function or Not
X Y
-1 1/16
-2 5/16
-3 9/16
What is a function?
Linear or Non-Linear
X Y
-1 1/16
-2 5/16
-4 9/16
What is nonlinear?
h(x): x2+3x-2
h(-3) - 31
What is -33?
Find the intercepts algebraically
f(x): -7/3x-21
What is (0, -21) & (-9,0)?
F(x): 2x-8, shift 3 units down
What is g(x): 2x-11?
Draw a real world graph:
Your first semester grade increases to an A through 1st Quarter, and drops to a D 2nd Quarter.
See Mrs. Smith's Graph
X Y
1 2
3.5 9
6 20
Linear or Non-Linear
What is Non-Linear?
Given g(x): 3/7x-16 if g(x) = 5
What is 49?
Identify the intercepts of the graph
What is (-5,0) (-2, 0) (3,0) & (0,5)?
F(x): 7x-21,
g(x) shifts 8 units left
What is g(x): 7x+35?