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Unit 5 Lessons 6,7,8,9

Authored by Mihir Desai

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Unit 5 Lessons 6,7,8,9
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6 questions

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1.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Below are graphs of the value of two cell phones over time. Which phone is more expensive to buy on the release date?

Phone A
Phone B
Both phones cost the same on release.
This question is legitimately impossible to answer.

2.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Below are graphs of the value of two cell phones over time. Which phone drops more in value in its first year?

Phone A
Phone B
Both phones decrease the same amount in value.
This question is legitimately impossible to answer.

3.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Below are graphs of the value of two cell phones over time. What is the value of Phone A when it is two years old?

600
360
472.5
630

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Media Image

Below are graphs of the value of two cell phones over time. A = 1000 * (1/3)t, B = 840 * (3/4)t.

A(4) = 115
B(4) = 354.38
A(4) = 360
A(4) = 129.6

5.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

How long does it take for the value of this thing to be at or below $100?

2 years
4 years
5 years
8 years

6.

MULTIPLE CHOICE QUESTION

20 sec • 1 pt

Media Image

Natasha says that the value is decreasing by exactly half (so V(x) = 1200 * (1/2)t). Is that correct?

Yes
No
yes, but it doesn't start out at $1200
i don't care

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