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Copy of Unit 2 Assessment corrections (Due 11/2/22) (7/21/2024)

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This is the Unit assessment covering relations, functions, and sequences.  You may use your notes, past assignments, and desmos to complete this assessment. Show your work for full credit.

This is the Unit assessment covering relations, functions, and sequences.  You may use your notes, past assignments, and desmos to complete this assessment. Show your work for full credit.

Part I

Representing Relations and Functions

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Relations vs. Functions

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Evaluating Functions

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10

Part II

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Otázka 1
1.

Use the set of ordered pairs to complete the relation table, relation mapping, and coordinate graph.

Otázka 2
2.

Determine whether the given relation from the previous problem is a function. (Function or Not a Function)

Otázka 3
3.

Determine whether the given relation is a function. (Function or Not a Function)

Otázka 4
4.

Determine whether the given relation is a function. (Function or Not a Function)

Otázka 5
5.

Directions: Complete each function table, then graph the function.

Otázka 6
6.

Evaluate each function for the given value.

For questions 7-8, use the functions to the left.

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Otázka 7
7.

Evaluate each function for the given value.

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Otázka 8
8.

Evaluate each function for the given value.

Otázka 9
9.

Use this sequence of numbers to answer the following questions.

Explicit formula: aₙ=a₁+d(n-1)

First term a₁=

Common difference d=

Explicit Formula=

Sixteenth term a₁₆=

Otázka 10
10.

Use this sequence of numbers to answer the following questions.

101, 92, 83, 74, ...

First term f(1)=

Common difference d=

Explicit Formula=

Fifty-seventh term f(57)=

Otázka 11
11.

ATT has an internet promo.

To start their service, you will need to pay a $10 equipment fee per month, and then it is $55 a month for access to the internet. Write an Explicit rule that models this situation.

Otázka 12
12.

ATT has an internet promo.

How much will it cost to have the internet for 2 years, if you are signed up under this plan?

Otázka 13
13.

Samantha has started saving her allowance to a buy PS 5 game. She already has $15 and she will be saving $11 a week until she has enough money. Create an explicit rule that models this situation.

Otázka 14
14.

Samantha has started saving her allowance to buy a $70 PS 5 game. She already has $15 and she will be saving $11 a week until she has enough money.

If she continues to save $11 dollars every week, how long will it take her to save enough money to buy the game?