Appropriate Domain and Range
Authored by Anthony Clark
Mathematics
9th Grade
CCSS covered
Used 2+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which domain would be the most appropriate set to use for a function that predicts the number of household online-devices in terms of the number of people in the household?
Integers
Whole Numbers
Irrational Numbers
Rational Numbers
Tags
CCSS.8.F.A.1
CCSS.HSF.IF.A.1
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
At an ice cream shop, the profit, P(x), is modeled by the function P(x) = 0.87x, where x represents the number of ice cream cones sold. An appropriate domain for this function is
{...,-3, -2, -1, 0, 1, 2, 3...}
{0, 1, 2, 3,...}
{0.87, 1.74, 2.61...}
Irrational Numbers
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The total cost for potatoes, y, at a grocery store can be modeled by the equation
y = 0.59x, where x is the number of pounds of potatoes. What is the most appropriate domain of the function?
all non negative real numbers
all non negative integers
all real numbers
all integers
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A rental company uses the function
f(x) = 150x + 75 to calculate the cost to rent a beach house x number of nights. The maximum number of nights the beach house can be rented is 30. What is the domain of the function?
0 ≤ x ≤ 30, where x is a whole number
0 < x < 30, where x is a whole number
0 ≤ x ≤ 4,575, where x is a whole number
0 < x < 4,575, where x is a whole number
5.
DRAG AND DROP QUESTION
1 min • 1 pt
A student borrowed $480 from a friend. He agreed to make monthly payments of $96 with no interest until the loan balance was paid off. The function shown models this situation, where f(x) represents the remaining loan balance in dollars after the student has made x monthly payments.
Which statements are true about the domain and range of the function for this situation? Select the correct answers.
Domain: (a)
Range: (b)
D: {0, 1, 2, 3, 4, 5}
R: {0, 96, 192, 288, 384, 480}
D: all real numbers
R: {0, 1, 2, 3, 4, 5}
: {0, 96, 192, 288, 384, 480}
D: {0, 96, 192, 288, 384, 480}
R: all real numbers
Answer explanation
Domain - x values
Range - y values
Real-world examples = apply common sense and judgements
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the range of this functions?
-6 ≤ y ≤ 3
-6 < y < 3
-2 ≤ y ≤ 4
Tags
CCSS.HSF-IF.C.7A
7.
DRAG AND DROP QUESTION
1 min • 1 pt
Select TWO correct answers.
Domain
(a)
Range
(b)
The domain of the function is {0,1,2,3,4,5}
The range of the function {0,96,192,288,384,480}
The domain of the function is all real numbers
The domain of the function {0,96,192,288,384,480}
The range of the function {0,1,2,3,4,5}
The range of the function is all real numbers.
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