Functions/Relations
Function Operations
Polynomials
Inverse Functions
Absolute Value
100
Is this function?
Yes
100
f(x)=5x-1 g(x)=4x^2+1
f(x)+g(x)
4x^2+5x
100
(3x+5)+(4x+1)= ?
7x+6
100
State if the given functions are inverses: g(x0=4-(3/2)x f(x)=(1/2)x + (3/2)
No.
100
|-6| =
6
200
this is the term for all of the x-values of a function.
The domain
200
f(x)= 6x^3+3x+2
g(x)=2x^2+4x+3
f(x)-g(x)
6x^3-2x^2-x-1
200
(x-7)(x+2)=?
x^2+2x-7x-14x^2-5x-14
200
Find the inverse function f(x)= x^3 - 18.
f^-1(x)=3√x+18
200
-l-3 l=
-3
300
State the domain and range
(1,4)(1,3)(5,2)
Range- 1,1,5.
Domain-4,3,2.
300
f(x)=2x^2+x-3
g(x)=x-1
f(x)*g(x)
2x^3-x^2-4x+3
300
6(x+12)=?
6x+72
300
find the inverse of the function
g(x)=(7x+18)/2
g^-1(x)=(2x-18)/7
300
|2| + |-2|=
4.
400
Is it a function?
yes it is a function because it passes the vertical line test.
400
f(x)=x-9
g(x)=x=5
f(x)*g(x)
x^2-4x-45
400
4(3x-y+5)
12x-4y+20
400
Define an inverse function.
an inverse function is when the denominator and numerator switch.
400
|4| + |-4| + |1|
9
500
Write the domain and range.
(6,4),(-3,-2),(6,0),(-4,4)
D:6,-3,-4
R:4,-2,0
500
f(x)=8-x^3
g(x)=x-3
f(x)*g(x)= ?
-x^4+3x^3+8x-24
500
(6x-8)-(6x+8)=?
-16
500
find the inverse function f(x)=10-x^3
f^-1(x)=3√10-x
500
Why is absolute value always positive?
Because it's only telling how far the number is away from the zero on the number line.