A.2A Domain and Range Word Problems

Front

A student worked out at a gym continuously for 50 minutes. The graph shows the remaining percentage of the workout as a linear function of x, the time in minutes.
Which answer choice best describes the domain and range of the function for this situation? Options: Domain: all real numbers greater than or equal to 0 and less than or equal to 100. Range: all real numbers greater than or equal to 0 and less than or equal to 50. Domain: {-2} Range: {100} Domain: all real numbers greater than or equal to 0 and less than or equal to 50. Range: all real numbers greater than or equal to 0 and less than or equal to 100. Domain: {100} Range: {-2}

Back

Domain: all real numbers greater than or equal to 0 and less than or equal to 50. Range: all real numbers greater than or equal to 0 and less than or equal to 100.

Front

The daily cost of hiring a plumber, y, to work x hours on a repair project can be modeled using a linear function. The plumber charges a fixed cost of $80 plus an additional cost of $45 per hour. The plumber works a maximum of 8 hours per day. For one day of work, what is the range of the function for this situation?

Back

Front

What is the range of the function f(x)=20x+4 for x pairs of 20 lb plates added to a 4 lb barbell? Options: {0, 1, 2, 3, 4, 5, 6,}, {4, 24, 44, 64, 84, 104, 124}, {0, 2, 4, 6}, {4, 44, 84, 124}

Back

{4, 24, 44, 64, 84, 104, 124}

Front

Domain of the function c=34.95u+6.25 for 8 ≤ u ≤ 12

Back

Front

Range of function f(c) = c/20 for no more than 5,000 cars transported daily?

Back

The set of all integers from 0 to 250

Front

Domain of the function f(x)=40+10x for gym membership fees.

Back

0, 1, 2, 3.....

Front

What is the range of the function f(x)=40+10x?

Back

$40, $50, $60.....

Front

For the function (0,1), (1,-3), (2,-4), & (-4,1), which choice gives the correct domain & range? Options: D: {0, 1, 2, -4}
R: {1, -3, -4, 1}, D: {-4, 0, 1, 2}
R: {-4, -3, 1}, D: {0, 1, 2, 3, 4}
R: {1, -3, -4}, D:  {-4, -3, 1}
R: {-4, 0, 1, 2}

Back

D: {-4, 0, 1, 2}
R: {-4, -3, 1}

Front

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?

Back

{72.55, 89.50, 106.45, 123.40}

Front

Mario has an 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? Options: 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

Back

All integers between 0 and 20