Domain And Range
Piecewise / More Domain and Range
MISC / Functions
Function / Not a Function / Evaluating Functions
100
Tickets for Friday's home football game cost $7.50 each. Marcus plans to make a table relating the number of tickets sold (x) and the money made from ticket sales (y).
What is the most appropriate domain for Marcus' table?
All Real Numbers, All Rational Numbers, All Integers, Non-Negative Rationals, Non-Negative Integers
Non-Negative Integers
100
What are TWO values in the domain?
6, -5, 17, 14.5, 20
6 and 14.5
100
Is this a function? Why or why Not?
No! Fails the vertical line test.
100
Given the function below, find f(11)
f(x)=3(x+2)-4x+5
0
200
The domain of the function
f(x)=-7x
is restricted to the positive integers. Which three values are elements of the range?
-35, -23, -14, -9, -7, 0, 7, 15, 14, 26, or 42?
-35, -14, -7
200
Given the set below, what is the range?
{(5,3) , (6,7) , (9, 4) , (2,3) }
{ 3, 4, 7}
200
Given the function below, find f(-7)
f(x)=x^2-6x+14
105
200
The function C(x)=2.50x represents the total cost C(x) of buying x drinks from the vending machine. Does this represent a function? Explain why.
Yes, because for every value of x there is exactly one value of C.
300
Given m(x)=-5x+7, find the range when the domain is {-3, 0, 2, 5}
{-18,-3, 7, 22}
300
What is the domain of the function below?
-8<=x<=10
300
You need to ship something from USPS. The box to ship the package costs $3.50. You are also charged $0.75 per ounce for priority mail. Write a function to to prepresent the total charges P(w) of the package with a weight of (w).
p(w)=0.75w+3.50
300
Given the function below, which input has an output value of 2?
f(x)=x^2+3x-2
-3, 0, -4, 5
-4
400
The area of a shape in relation to the length of a side is given below. What is a reasonable domain for the function?
0<=L<=40
400
Give the domain of the piecewise function below. The answer must be in inequality notation.
-5<=x<5
400
Which statement(s) are true?
A and D
400
Which values of x would make the table not a function? Which would allow it to still be a function?
Possible inputs: -8, 8, 2, 5, -3
Function: 8, 5, -3
Not a Function: -8, 2
500
The depreciation of a baseball card is modeled using the function where t is in years and f(t) is in dollars.
What is a reasonable domain for the function?
f(t)=40-5t
0<=t<=8
500
Given a domain of {-4, -2, -1, 4}, find the range of the piecewise function below.
{-3, 0, 1, 2}
500
Given the function and graph below, compare f(6) to g(-2). f(x) is the graph. 
g(x)=x^2-3
f(6)=0 and g(x)=1 so f(6)<g(-2)
500
What are the possible inputs for the quadratic function when the output is -3?
0 and 2