Function Notation
Domain and Range
Lines
Miscellaneous
100
In a function, each input has exactly one __________.
output.
100
A list or description of all possible inputs for a function or relation is its _______________.
domain
100
Find the slope between
(2, 9) and (-4, 7)
1/3
100
Simplify:
x < 5 or x < 0
x < 5
100
If f(x) = -x2 + 3,
find f(-4)
-13
100
What are the domain and range of:
{(-2, 7), (-5, 0), (3, 7)}?
Domain = {-5, -2, 3}
Range = {0, 7}
100
Write in slope-intercept form:
5x + 2y = 12
y = -5/2x + 6
100
What are three different formats for equations of lines?
Standard, Point-Slope, Slope-Intercept
200
Is this a function? What is the domain?
Yes
{-6, -3, 0, 3}
200
Determine this function's domain and range in interval notation.
Domain: [-2, 1)
Range: [0, 4]
200
Write in standard form:
y = 2/3 x + 4/7
14x-21y=-12
200
Inputs which cause ______________ or ______________ must be excluded from a function's domain.
Division by zero;
Even root of a negative number
200
The ________ _________ test can quickly determine if a graph represents a function.
vertical line
200
State the domain in interval notation:
f(x) = 1/sqrtx
(0,oo)
200
Find the product of the slope and y-intercept for the line:
2x + 5y = 20
-8/5
200
Solve for x:
3x - 7w = 4xyz
x=(7w)/(3-4yz)
300
Give an example of a linear function that is not one-to-one.
y = 5 (horizontal line)
300
State the domain and range in interval notation:
y = abs(x - 7) + 5
"Domain" = (-oo,oo)
"Range" = [5,oo)
300
Write the equation of the line passing through
(2, 9) and (-2,3) in slope-intercept form.
y = 3/2x + 6
300
Graph on a number line:
-5abs(2x-1)- 10 >= -45
