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Algebra 2 6-6 Guided Practice: Function Operations

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Last updated about 3 years ago
17 questions
3
5
F.BF.1.b
3
8
3
3
9
3
5
F.BF.1.b
F.BF.1.c
5
F.BF.1.b
F.BF.1.c
5
F.BF.1.b
F.BF.1.c
Question 1
1.

Question 2
2.

Solve It! You want to buy a sofa that was marked down by $50 before the clearance discount was applied.


The furniture store may add the 5% sales tax before applying the additional discount, or it may add the sales tax after applying the additional discount. Which way is better for you, the customer?

Take Note: Take a moment to record the function operations in your notes.
Question 3
3.

Question 4
4.

Take Note: Use the properties of function operations to match equivalent expressions.

Draggable itemarrow_right_altCorresponding Item
(h\cdot g)(x)
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\frac{h(x)}{g(x)}
(\frac{h}{g})(x)
arrow_right_alt
(h-g)(x)
arrow_right_alt
arrow_right_alt
10
Question 5
5.

Problem 1 Got It?

F.BF.1.b
Question 6
6.

10
Question 7
7.

Problem 2 Got It?

F.BF.1.b
Question 8
8.

10
Question 9
9.

Take Note: What is a composite function ?

You may use the canvas to help illustrate your written response.

Question 10
10.

Take Note: Consider functions f(x) and g(x) and the composite function g(f(x)).
Match equivalent items below.

Draggable itemarrow_right_altCorresponding Item
Domain of g(f(x))
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x
g(f(x))
arrow_right_alt
Range of f(x)
Domain of f(x)
arrow_right_alt
(g\circ f)(x)
10
Question 11
11.

Problem 3 Got It?

F.BF.1.b
F.BF.1.c
Question 12
12.

5
Question 13
13.

Take Note: Recall that
(g\circ f)(x)=g(f(x)).
Regardless of how this composition of functions is written, which function is evaluated first?

Question 14
14.

Problem 4 Got It? A store is offering a 15% discount on all items. Also, employees get a 20% discount (20% off original price(s)). Write a composite function to model taking the 15% discount and then the 20% discount.

Question 15
15.

Problem 4 Got It? A store is offering a 15% discount on all items. Also, employees get a 20% discount (20% off original price(s)). Write a composite function to model taking the 20% discount and then the 15% discount.

Question 16
16.

Problem 4 Got It? Reasoning: In the scenario above, which order of discounts results in a lower cost to the employee?

10
Question 17
17.

🧠 Retrieval Practice:
Summarize the mathematical content of this lesson. What topics, ideas, and vocabulary were introduced?

Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
h(x)-g(x)
h(x)\cdot g(x)
f(x)+g(x)
(f+g)(x)
B
C
D
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
A
B
C
D
Video Check: Select all that apply with regards to the video embedded directly above this item.
🕵️ I carefully watched the entire video.
📵 I removed distractions from my field of view while watching the entire video.
🎧 I used headphones (or earbuds) to listen to the entire video as I watched it.
✋ I sought clarification, as needed, to understand each concept in the video.
🎓 I understand each concept in the video and feel ready to move on.
🎯 I feel prepared to complete challenging problems related to the video.
❌ None of these statements apply.
Let D(x) = cost after applying the 15% discount, E(x) = cost after applying the 20% employee discount, and x = cost of item(s). Then D(x) = 0.80x and E(x) = 0.85x. (E ◦ D)(x) = 0.68x.
Let D(x) = cost after applying the 15% discount, E(x) = cost after applying the 20% employee discount, and x = cost of item(s). Then D(x) = 0.85x and E(x) = 0.80x. (E ◦ D)(x) = 0.68x.
Let D(x) = cost after applying the 15% discount, E(x) = cost after applying the 20% employee discount, and x = cost of item(s). Then D(x) = 0.85x and E(x) = 0.80x. (D ◦ E)(x) = 0.68x.
Let D(x) = cost after applying the 15% discount, E(x) = cost after applying the 20% employee discount, and x = cost of item(s). Then D(x) = 0.80x and E(x) = 0.85x. (D ◦ E)(x) = 0.68x.