Find (f+g)(x)
3x+12
Find (f+g)(x)
x^2+12x+18
What axis is the Domain represented on?
X Axis
What is the range of the function
g(x)=x^2+8 if the domain is {2,3,4}
{12,17,24}
The symbol ∈ is read
“is an element of”
Find (f-g)(x)
x+4
Find (f-g)(x)
x^2-4x-6
What axis is the Range Represented on?
Y Axis
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}
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
Find (fg)(x)
2(x^2+8x+16)
Find (fg)(x)
2(2x^3+19x^2+48x+36)
What is the domain of f? f(x)=(x+1)2
All real values of x such that x ≠ 0
What does an “R” represent in domain and range?
All real numbers
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.
Find (f/g)(x)
2
Find (f/g)(x)
4x+6/x^2+8x+12
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)
What is a set of numbers indicated by braces?
Set Builder Notation
How do you properly say f(x)?
"F of x"
Find f(g(x))
2x+16
f(g(x))
2(2x^2+16x+27)
What is the domain of the function?
f(x)=√64-x^2
−8≤x≤8
What describes a set of numbers using the endpoints
with parenthesis or brackets?
Interval Notation
How awesome are Harry and Isabel?