This is the Unit Assessment Review covering relations, functions, and sequences.
Show your work for full credit.
Part I
Representing Relations and Functions
Required
20 points
20
Question 1
1.
Use the set of ordered pairs to complete the relation table, relation mapping, and coordinate graph.
Relations vs. Functions
Required
3 points
3
Question 2
2.
Determine whether the given relation from the previous problem is a function. (Function or Not a Function)
Required
3 points
3
Question 3
3.
Determine whether the given relation is a function. (Function or Not a Function)
Required
3 points
3
Question 4
4.
Determine whether the given relation is a function. (Function or Not a Function)
Evaluating Functions
Required
20 points
20
Question 5
5.
Directions: Complete each function table, then graph the function.
Required
10 points
10
Question 6
6.
Evaluate each function for the given value.
For questions 7-8, use the functions to the left.
Required
10 points
10
Question 7
7.
Evaluate each function for the given value.
Required
10 points
10
Question 8
8.
Evaluate each function for the given value.
Part II
Required
20 points
20
Question 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=_______
Required
20 points
20
Question 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)=_______
Required
10 points
10
Question 11
11.
ATT has an internet promo.
To start their service, you will need to pay a monthly $10 equipment fee, and then it is $55 a month for access to the internet. Write an Explicit rule that models this situation.
Required
10 points
10
Question 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?
Required
20 points
20
Question 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.
Required
20 points
20
Question 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?