Functions/Relations
Function Operations
Polynomials
Inverse Function
Absolute Value
100
Is that a function ?
Function
100
(3x-8)+(8x+1)=??
11x-7
100
(3x2-4x-1)+(8x2-x+6)
(11x2-5x+5)
100
Write the Inverse Function.
y=x+6
y=x-6
100
|n|+2=5
n=-3
n=3
200
What is a relation ?
Any set of ordered pairs.
200
Define the term Function Operations
A function is a correspondence between two sets: the domain and the range
200
3(c-4)-5(c2+4c-8)
-5c2-17c+28
200
Find the inverse for the relation.
{(1,-3),(-2,3),(5,1),(6,4)}
{(-3,2),(3,-2),(1,5),(4,6)}
200
8+|4v-7|=17
x=4
x=-.5
300
Which of the following sets of ordered pairs represent functions?
A = {(0,-2), (1,4), (-3,3), (5,0)}
B = {(-4,0), (2,-3), (2,-5)}
C = {(-5,1), (2,1), (-3,1), (0,1)}
D ={(3,-4),(3,-2),(0,1),(2,-1)}
A
300
finish it
(fg)(x)=?
=f(x)*g(x)
300
(3y-5z)(y+z)
3y2-2zy-5z2
300
f(x)=3x+2
300
9|r-5|-7=20
r=8
r=2
400
Is that a function ? And why?
No --> VLT
400
(f ÷ g)(x)=??
f(x) ÷ g(x)
400
What term is this Polynomials ?
x4+3x2
binomial
400
What is the inverse of the function f(x)=8x+1f(x)=8x+1?
y=x-1
_____
8
400
18-2|c+7|=12
c=-4
c=10
500
What can make this not a function
{(312345,-43456789),(2234567,-212345678),(0,11234567),(312345,-12134567)(,1234567876543,2345678765432)(234568776,5679138403)}
It's already not a function
500
What kind are those functions ?(addition,substraction,etc.)
a) (f*g)(x)=f(x)*g(x)
b) (f+g)(x)=f(x)+g(x)
c) (f-g)(x)=f(x)-g(x)
a) Multiplication
b) Addition
c) Substraction
500
What type of polynomial is this.
ax3+ bx + cx2 =0
Cubic
500
How many toes has Bigfoot
500
Define Absolute Value
the magnitude of a real number without regard to its sign.