Practical Domain and Range

Practical Domain and Range

Multiple Choice

Which of the following best represents the practical domain for the function d(t)=6.6t, where Kellen runs for at least 1 hour but no more than 2 hours?

• 1 ≤ t ≤ 2

• 0 ≤ t ≤ 2

• t ≥ 0

• t > 2

Multiple Choice

Lindsay works out at the gym each week no fewer than 3 hours and no more than 7 hours. She burns an average of 350 calories/hour. The function c(h)=350h models the number of calories burned in h hours. What is the practical domain of the function?

• All real numbers between 0-7

• All real numbers between 3 and 7

• All real numbers between 0 and 2450

• All real numbers between 1050 and 2450

Multiple Choice

Lindsay works out at the gym each week no fewer than 3 hours and no more than 7 hours. She burns an average of 350 calories/hour. The function c(h)=350h models the number of calories burned in h hours. What is the practical range of the function?

• All real numbers between 0-7

• All real numbers between 3 and 7

• All real numbers between 0 and 2450

• All real numbers between 1050 and 2450

Multiple Choice

Maria makes necklaces that she sells for $14 each and each one contains 6 beads. The function R(n)=14n represents the revenue Maria makes selling n number of necklaces. What is the practical domain of the function?

• All real numbers

• All real numbers greater than 0

• All real numbers greater than 6

• All real numbers greater than 14

Multiple Choice

Maria makes necklaces that she sells for $14 each and each one contains 6 beads. The function R(n)=14n represents the revenue Maria makes selling n number of necklaces. What is the practical range of the function?

• All real numbers

• All real numbers that are multiples of 6

• All real numbers that are multiples of 14

• All real numbers greater than 14