Functions/Relations
Function Operations
Polynomials
Inverse Functions
Absolute Value
100
True or False: A function is always a relation but a relation is not always a function
True
100
f (x) = 3x - 2
f (- 4)
-14
100
(4x2+2)-(6+2x2)
2x2-4
100
/3x/= 9
{3,-3}
200
What is the domain and range of the function below?
Domain:[-4,-1]
Range:[-2,2]
200
f(x)=x+7 h(x)=x2-2x+7
(h+f)(-3)
26
200
(6a2+4)-(10+2a2)
4a2-6
200
/−3r/= 9
{-3,3}
300
What test can be done to prove if a graph is a function?
VLT (vertical line test)
300
f(x)=x+7 g(x)=x2-2
(f x g)(x)
x3+7x3-2x-14
300
(2+2p3)+(3p3+4)
5p3+6
300
h(x) = 2x 3 + 3
h −1(x) = 3| x − 3/ 2
|=square root sign
300
/−6m/ = 30
{-5,5}
400
DAILY DOUBLE!!!(Select a fraction of your points and double them if you get the question right. If you get the question wrong you lose the amount of points you bet). What kind of function is this?
Absolute value function
400
h(x)=x2-2x+7 g(x)=x2-2
(g-h)(1)
-7
400
(10x-6)(5x+4)
50x2+10x-24
400
f (x) = x + 3
f −1(x) = x − 3
400
/−4 + 5x/ = 16
{4,-12/5)
500
Is the table below a function:
Yes
500
f(x)=x+7 g(x)=x2-2
(f-g)(-8)
-63
500
(n2-3n-4)÷(n+1)
n-4
500
f (x) = −x + 3
f −1(x) = −x + 3
500
/v + 8 /− 5 = 2
{-1,-15}