Dr. E owns a luxury store that sells purple items only! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. Which function would represent Jenna's, J, earnings in dollars for working h hours, and Sarah's, S, earnings in dollars for working h hours?
Operations with Functions

Quiz
•
Mathematics
•
11th Grade
•
Hard
Dayanna Sanchez
FREE Resource
8 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
J(h)=25h; S(h)=27h
J(h)=25h; S(h)=27
J(h)=25; S(h)=27h
J(h)=25; S(h)=27
2.
OPEN ENDED QUESTION
1 min • 2 pts
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. Now that we know our two functions, find J(8) and S(8) and tell me what these values represent in this situation.
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3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. Using our same two functions, find J(8)+S(8) and tell me what it represents in this situation.
4.
OPEN ENDED QUESTION
1 min • 2 pts
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. You can add two functions by adding their function rules. (a) Add the functions J(h) and S(h) to find (J+S)(h). Then, simplify the function rule.
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5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. You can add two functions by adding their function rules. What does the function (J+S)(h) represent in this situation?
The amount of dollars Dr. E does NOT need to spend on Jenna and Sarah's earnings for a shift that takes h hours
The amount of dollars Dr. E must spend on Jenna and Sarah's earnings for a shift that takes h hours
The amount of taxes taken out from Jenna and Sarah's earnings for a shift that takes h hours
The amount of dollars Dr. E must spend on Sarah's earnings ONLY for a shift that takes h hours
Answer explanation
ANSWER: The amount of dollars Dr. E must spend on Jenna and Sarah's earnings for a shift that takes h hours
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. Find (J+S)(8). How does the answer compare to J(8)+S(8)?
7.
OPEN ENDED QUESTION
1 min • 2 pts
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 8 hours tomorrow. Using (J+S)(8), how much will Dr. E spend on Jenna and Sarah's earnings for the 8-hour shift?
Evaluate responses using AI:
OFF
8.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Dr. E owns a luxury store that sells only purple items! Jenna and Sarah are her store managers. Jenna earns $25 per hour, and Sarah earns $27 per hour. Dr. E assigned Jenna and Sarah a shift of 10 hours for Wednesday. Using (J+S)(h), how much would Dr. E spend on Jenna and Sarah's earnings for a 10-hour shift?
$500
$416
$20
$520
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