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Real World Domain and Range

Authored by Sam Robison

Mathematics

12th Grade

Used 20+ times

Real World Domain and Range
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20 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A holiday church's meal costs $12.50 a person plus a delivery fee of $30. The equation is: f(x)=30+12.5x, where x is the number of hungry people. If there are 15 people in the church, what is the domain?

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15

0, 42.50, 55, 67.50, 80, 92.50, 105, 117.50, ....

None of the above.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Leslie's car travels about 25 miles per gallon of gas. Her car needs 14 gallons of gas to be full. What is a reasonable domain?

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A student is taking a test that has 10 questions on it. The student's score is a function of how many questions he misses: f(x)=100-10x, where x is the number of questions incorrect. What is the domain?

0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15, 16

0, 1, 2, 3, 4, 5, 6, 7, 8, 9, 10

0 < x < 10

x < 10

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

A student is taking a test that has 10 questions on it. The student's score is a function of how many questions he misses: f(x)=100-10x, where x is the number of questions incorrect. What is the range?

10, 20, 30, 40, 50, 60, 70, 80, 90, 100

0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100

0 < y < 100

y < 100

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

The total cost in dollars, c, to purchase video games online can be found using the function c = 16.95x + 4.75, where x is the number of video games purchased.  If at least 4 games but no more than 7 games are purchased online, what is the range of the function for this situation?

{4, 5, 6, 7}
4 ≤ x ≤ 7
72.55 ≤ c ≤ 123.50
{72.55, 89.50, 106.45, 123.40}

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Mario has and iTunes gift card worth $20.00. He uses the formula    y=0.99x to determine y, the total cost for x number of songs. What is the domain for the situation?

All integers between 0 and 20
All real numbers between 0 and 19.80
All integers greater than 0
All integers between 0 and 250

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A pizza shop sells pizza for $7.50 each plus $1.25 per topping. The total price of the pizzas can be determined by the function P(t) = 7.5 + 1.25t, where te is the number of toppings orders and P(t) is the total price of the pizza. The shop has a delivery policy that all orders must have a minimum of 2 toppings and maximum of 8 toppings for a delivery. Which inequality represents the range of the situation?

{10, 11.25, 12.50, 13.75, 15, 16.25, 17.50}

{2, 3, 4, 5, 6, 7, 8}

10 ≤ P(t) ≤ 17.50

0 ≤ P(t) ≤ 17.50

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