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Question Ball Toss Throw the ball at a number then answer that question.

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Presentation on theme: "Question Ball Toss Throw the ball at a number then answer that question."— Presentation transcript:

1 Question Ball Toss Throw the ball at a number then answer that question.

2 Question 1 As a fundraiser, the band is selling cookies. The cost to make each cookie can be written as c(x) = 0.25x and the functions that represents the amount they sell the cookie for can be written as s(x) = 2x. What function represents the profit, P(x), for each function? A)P(x) = 0.5x + 1 B)P(x) = 0.5x 2 + x C)P(x) = 2.25x D)P(x) = 1.75x - 0.5

3 Question 2 Which explicit rule describes the sequence below? 1, 7, 13, 19, 25… a.a n = 6n +1 b.a n = -6n + 1 c.a n = 6n -5 d.a n = -6n + 5

4 Question 3 You are planning a vacation. The hotel you are going to stay at charges $129 per night. This can be represented by the function p(h) = 129h. The car rental company charges a $50 insurance fee plus $79 per day. This can be represented by the function p(c) = c. Write a function p(v) to represent the total charges for your hotel and car rental. A)p(v) = 258v B)p(v) = v C)p(v) = 129(79v + 50) D)p(v) = 50(129h + 79c)

5 Question 4 Find the 10 th term in the sequence a. b. c. d.none of the above

6 Question 5 Find the sixth term of the geometric sequence a)b) c)d)

7 Question 6 Determine the common ratio and find the next three terms of the geometric sequence 1, -2, 4, -8, … a.r = 2, a 5 = 16, a 6 = 32 a 7 = 64 b. r = -3, a 5 = -11, a 6 = -14, a 7 = -17 c.r = -2, a 5 = 16, a 6 = -32 a 7 = 64 d.r = 3, a 5 = -5, a 6 = -2, a 7 = 1

8 Question 7 Adam earns $75 per week mowing lawns. This can be represented by the function f(x) = 75x. Each week he deposits this money into his bank account. At the beginning of January his bank account had a balance of $500 in it. Adam also makes a $45 withdrawal each week. The withdrawals from his account can be represented by the function f(x) = x. Write a function that can be used to represent his bank balance after n months, including his monthly deposit and withdrawal. A)f(n) = n B)f(n) = n C)f(n) = 12(500-30n) D)f(n) = (75n-45n)

9 Question 8

10 Question 9 Which explicit rule describes the sequence below? 1, 7, 13, 19, 25… A.a n = 6n +1 B.a n = -6n + 1 C.a n = 6n -5 D.a n = -6n + 5

11 Question 10 Write an explicit rule for the sequence 4, 12, 36, 108,… a. b. c. d.

12 Question 11 A function that can be used to model the cost of producing x t-shirts is c(x)= x, and the function that can be used to model the amount of money to be made from selling x t-shirts is m(x) = 20x. Write a function p(x) to represent the total profit of selling x number of shirts. A)p(x) = x B)p(x) = 13x - 10 C)p(x) = 27x - 10 D)

13 Question 12 Which sequence is not geometric? Explain why. a.3,6, 12, 24,…. b.7,5, 3,1,…. c.1,2,4,8,….. d.27,9,3,1,….

14 Question 13 Use the table to find f(-3) a)7 b)1 c)2 d)none of these xy

15 Question 14 A sequence {a n } is defined recursively, with a 1 = -1, and, for n > 1, a n = a n-1 + (-1) n. Find the first five terms of the sequence. A)-1, 0, 1, 2, 3 B)-1, -2, -3, -4, -5 C)-1, 0, -1, 0, -1 D)-1, 1, -1, 1, -1

16 Question 15 A)f(a) = 12a B)f(a) = 18a C)f(a) = 18a D)

17 Question 16 Find the 22 nd term for the sequence 9, 14, 19, 24…

18 Question 17

19 Question 18 Write a recursive rule for the sequence -12, -13, -14, -15….

20 Question 19 Use the graph below to find the x- value when a.3 b.0 c.5 d.Not definded

21 Question 20 Write an explicit rule for the sequence 21, 25, 29, 33…

22 Question 21

23 Question 22 Find the next 3 terms in the sequence 18, 12, 6, 0…

24 Question 23

25 Question 24 Write an explicit rule for the sequence 6, 18, 54…

26 Question 25

27 Question 26 Write a recursive rule for the sequence -4, 0, 4, 8….

28 Question 27

29 Question 28 Find the next 3 terms in the sequence 13, 16, 19, 22…

30 Question 29

31 Question 30 Write a rule for the nth term of the sequence 6, 24, 96, 384, … Then find a 7.


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