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Unit 0 Day 5: Functions & Sequences

Last updated about 5 hours ago

15 questions

2

2

2

2

2

2

2

2

2

2

2

2

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2

Question 1

1.

Question 2

2.

Question 3

3.

Question 4

4.

Question 5

5.

Question 6

6.

Question 7

7.

Question 8

8.

Question 9

9.

Question 10

10.

Question 11

11.

Question 12

12.

Question 13

13.

Question 14

14.

Question 15

15.

5

-15

-8

Which rule generates the sequence 3, 6, 12, 24, ...?

Multiply by 3 each term

Add 6 each term

Multiply by 2 each term

Add 3 each term

Find the fifth term of 2, 7, 12, ... if the pattern continues.

32

27

22

17

Find d for the sequence 7, 10, 13, 16.

3

23

-3

7

Using d = a_2 - a_1, find d when a_1 = -4 and a_2 = 1.

-3

-5

5

3

A sequence with a constant d is a(n) ______ sequence.

arithmetic

Fibonacci

harmonic

geometric

Which formula type lets you find the 100th term directly?

Verbal

Recursive

Geometric

Explicit

In a_n = a_1 + (n-1)d, what does d represent?

First term

Common difference

Common ratio

Term position

To apply a_n = a_{n-1}+d, what must you know?

n and d

a_1 only

a_{n-1} and d

Two previous terms

Which formula lets you find a_7 directly in a geometric sequence?

Slope formula

Recursive formula

Arithmetic formula

Explicit formula

In a_n = a_1 * r^{n-1}, what does r represent?

Common ratio

Term number

Common difference

First term

The recursive rule a_n = a_{n-1} * r needs which known value?

Previous term

Exponent n-1

Common difference

Next term

Which rule must a relation satisfy to be called a function?

Outputs never repeat

Each x has one y

x and y repeat freely

Each y has one x

Which list is an arithmetic sequence beginning with 7?

7,11,15,19

7,9,12,16

7,14,28,56

7,10,14,19

What is the common difference of 7,10,13,16,... ?

3

7

2

4