ALg2 Unit 1 Retake

Which formula defines the sequence f(1)= 4, f(2)=14, f(3)=24, f(4)=34 ?

• f(1)=4, f(n) = 10+f(n-1) for n>2

• f(1)=4, f(n) = 14+f(n-1) for n>2

• f(1)=4, f(n) = 4+f(n-1) for n>2

• f(1)=14, f(n) = 10+f(n-1) for n>2

Tags

CCSS.HSF.IF.A.3

A sequence is defined by f(1) = 5 and f(n) = 3*f(n-1) for n>1. Which of the following explicit statements defines the nth term of f?

• f(n) = 5 + 3(n-1) for n>1

• f(n) = 5 + 3n for n>1

• f(n) = 5(3)^(n-1) for n>1

• f(n) = 5(3)^n for n>1

Tags

CCSS.HSF.IF.A.3

Select all the expressions that represent the sequence: f(1)=10, f(2)=12, f(3) = 14 ?

• f(n) = 2 + 10(n-1) for n>1

• f(n) = 10 + 2(n-1) for n>1

• f(1)= 10, f(n)=2+f(n-1) for n>2

• f(1)= 10, f(n)=10+f(n-1) for n>2

• f(n)=2n+8 for n>1

Tags

CCSS.HSF.IF.A.3

A(1)=5, A(3)=9, A(9) = 21. Write a recursive definition for the sequence:

• A(1)= 5, A(n)= 4+A(n-1) for n>2

• A(1)= 5, A(n)= 4*A(n-1) for n>2

• A(1)= 5, A(n)= 2+A(n-1) for n>2

• A(1)= 5, A(n)= 2*A(n-1) for n>2

Tags

CCSS.HSF.IF.A.3

A(1)=5, A(3)=9, A(9) = 21. What is A(10)?

• 84

• 25

• 42

• 23

Tags

CCSS.HSF.IF.A.2

F(n) = {2, 4, 8, 16, ...} Is the sequence geometric or arithmetic? Explain.

• arithmetic because adding 2 each time.

• arithmetic because multiplying by 2 each time.

• geometric because multiplying by 2 each time.

• geometric because adding 2 each time.

Tags

CCSS.HSF.BF.A.2

F(n) = {2, 4, 6, 8, 10, ...} Is the sequence geometric or arithmetic? Explain.

• arithmetic because adding 2 each time.

• arithmetic because multiplying by 2 each time.

• geometric because adding 2 each time.

• geometric because multiplying by 2 each time.

Tags

CCSS.HSF.BF.A.2

How would you describe the following sequence: F(n) = {0, 1, 1, 2, 3, 5, 8, 13, 21, ...} Choose all the statements that are correct (more than one answer).

• arithmetic

• geometric

• neither geometric or arithmetic

• Fibonacci Sequence

• Adding the 2 previous terms to get to the next term.

Tags

CCSS.HSF.IF.A.3

What is the best possible typical (average) range for the number of text messages sent and received for a given domain of 1 week?

• Integers: -100 to 100 text messages

• Whole numbers: 0 to 5 text messages

• All real numbers

• Whole numbers: 0 to 500 text messages

Tags

CCSS.6.NS.C.5

If an arithmetic sequence starts 3, 6, .... , what is the next term?

• 12

• 9

• 10

• 8

Tags

CCSS.HSF.BF.A.2