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QR Challenge: Functions Scavenger Hunt

Created using the ClassTools QR Treasure Hunt Generator

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Teacher Notes

A. Prior to the lesson:

1. Arrange students into groups. Each group needs at least ONE person who has a mobile device.

2. If their phone camera doesn't automatically detect and decode QR codes, ask students to

3. Print out the QR codes.

4. Cut them out and place them around your class / school.

B. The lesson:

1. Give each group a clipboard and a piece of paper so they can write down the decoded questions and their answers to them.

2. Explain to the students that the codes are hidden around the school. Each team will get ONE point for each question they correctly decode and copy down onto their sheet, and a further TWO points if they can then provide the correct answer and write this down underneath the question.

3. Away they go! The winner is the first team to return with the most correct answers in the time available. This could be within a lesson, or during a lunchbreak, or even over several days!

C. TIPS / OTHER IDEAS

4. A detailed case study in how to set up a successful QR Scavenger Hunt using this tool can be found here.

Questions / Answers (teacher reference)

Question

Answer

1. If f(12) = 4(12) - 20, write the function for f(x). f(x)=4x-20
2. If f(x) = 3x – 5 and the domain of f is {2, 4, 6}, what is the range of f(x)?{1,7,13}
3. Write the equation y=2x+5 in function notation.f(x)=2x+5
4. Are the following ordered pairs a function or relation? {(0,2)(1,2)(2,1)(3,4)(0,1)} relation
5. What is the definition of a function? Each input has only one output
6. The domain of a function is a representation of this.independent variable
7. The range of a function is a representation of this. dependent variable
8. What is the domain of a linear function?All real numbers
9. What is the range of (1,1), (2, 4), (3, 7), (4, 10), (5, 13)?{1,4,7,10,13}
10. Evaluate f(x) = 5x +14 when x=5.f(x)=39
11. Input, x, and domain are examples of the __________ variable.independent
12. Solve for x when f(x)=12x+3 f(x)=39? x=3
13. Given f(x)=-2x and g(x)=4x-8, find h(x)=f(x)+g(x).h(x)=2x-8
14. Given f(x) = 2x – 1, find f (7).f(x)=13
15. If g(6)=3-5(6), what is g(x)?g(x)=3-5x
16. Graph f(x)=2x-1.see graph paper

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_f(12)_=_4(12)_-_20,_write_the_function_for_f(x).

Question 1 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_f(x)_=_3x_–_5_and_the_domain_of_f_is_{2,_4,_6},_what_is_the_range_of_f(x)?

Question 2 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Write_the_equation_y=2x+5_in_function_notation.

Question 3 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Are_the_following_ordered_pairs_a_function_or_relation?_{(0,2)(1,2)(2,1)(3,4)(0,1)}

Question 4 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_definition_of_a_function?

Question 5 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_domain_of_a_function_is_a_representation_of_this.

Question 6 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=The_range_of_a_function_is_a_representation_of_this.

Question 7 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_domain_of_a_linear_function?

Question 8 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=What_is_the_range_of_(1,1),_(2,_4),_(3,_7),_(4,_10),_(5,_13)?

Question 9 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Evaluate_f(x)_=_5x_+14_when_x=5.

Question 10 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Input,_x,_and_domain_are_examples_of_the____________variable.

Question 11 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Solve_for_x_when_f(x)=12x+3_f(x)=39?

Question 12 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Given_f(x)=-2x_and_g(x)=4x-8,_find_h(x)=f(x)+g(x).

Question 13 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Given_f(x)_=_2x_–_1,_find_f_(7).

Question 14 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=If_g(6)=3-5(6),_what_is_g(x)?

Question 15 (of 16)

 


Functions Scavenger Hunt: QR Challenge

https://www.classtools.net/QR/decode.php?text=Graph_f(x)=2x-1.

Question 16 (of 16)