When f(x) = 2x+8 and g(x) = x+4
When f(x)= 4x+16 and g(x) = x^2+8x+12
Domain and Range
Domain and Range
Miscellaneous
100

Find (f+g)(x)

3x+12

100

Find (f+g)(x)

x^2+12x+18

100

What axis is the Domain represented on?

X Axis

100

What is the range of the function  

g(x)=x^2+8  if the domain is  {2,3,4} 



{12,17,24}



100

The symbol ∈ is read



“is an element of”



200

Find (f-g)(x)

x+4

200

Find (f-g)(x)

x^2-4x-6

200

What axis is the Range Represented on?

Y Axis

200

What is the domain and range for this graph?



The domain is {−2,−1,0,1,2}; the range is 

{0,1,2,3,4}



200

What checks to see if a graph is a function and says that If any vertical line passes through the graph more than once, it is not a Function?



Vertical Line Test

300

Find (fg)(x)

2(x^2+8x+16)

300

Find (fg)(x) 

2(2x^3+19x^2+48x+36)

300

What is the domain of f? f(x)=(x+1)2

All real values of x such that x ≠ 0

300

What does an “R” represent in domain and range?



 All real numbers

300

What is the difference between the open circle and closed circle in the composition of functions and the function operations unit?

The open circle is for composition of functions and the closed circle is for multiplication. 

400

Find (f/g)(x)

2

400

Find (f/g)(x)

4x+6/x^2+8x+12

400

What is the domain and the range for this set of numbers?

{(−4,3)(−3,3)(−2,3)(−1,3)}  



domain is {−4,−3,−2,−1} and the range is (3)

400

What is a set of numbers indicated by braces?



Set Builder Notation

400

How do you properly say f(x)?

"F of x"

500

Find f(g(x))

2x+16

500

f(g(x))

2(2x^2+16x+27)

500

 What is the domain of the function?

f(x)=√64-x^2



−8≤x≤8



500

What describes a set of numbers using the endpoints

with parenthesis or brackets?



Interval Notation



500

How awesome are Harry and Isabel?

SO AWESOME