Sequences and Functions Review

Given the first term, 3, and the common difference of 3, find the first five terms.

• 3, 6, 9, 12, 15

• 3, 9, 15, 21, 27

• 3, 5, 7, 9, 11

• 3, 6, 12, 24, 48

Given the first term, 7, and the common ratio of 2, find the first five terms.

• 7, 14, 21, 28, 35

• 7, 14, 28, 56, 112

• 2, 9, 16, 23, 30

• 7, 21, 63, 189, 567

A bacteria colony starts with 8 bacteria at the beginning and doubles every hour. How would you write an explicit equation to model this situation?

• f(x) = 2x + 8

• f(x) = 8x + 2

Mason is tracking the growth of a bacteria population in a lab experiment. Which sequence could represent the growth pattern of the bacteria population over time?

• 5, 10, 15, 20,…

• 1, 4, 16, 64, 128,…

• 1, –5, 25, –125, 625,…

• 1, –4, –9, –14, –19,…

Is the following sequence arithmetic, geometric, or neither? 243, 81, 27, 9, …

• Arithmetic

• Geometric

• Neither

A company invests $3,000 in a machine that manufactures eco-friendly bags and $3.50 to produce each bag. Which function represents the company's total cost in dollars to produce the bags?

• y = 3.50x + 3,000

• y = 3.50x - 3,000

• y = 3,000x + 3.50

• y = 3,000x - 3.50

Which equation represents the line shown in the graph?

• y = 2x + 5

• y = -2x + 3

• y = 2x - 4

• y = -2x - 1

A painter charges a base fee of $40 and $75 per hour for labor, represented by the function y = 75x + 40. What does the y-intercept of the function represent?

• The initial fee the painter charges

• The total cost for the painting job

• The hourly rate the painter charges

• The number of hours worked on the job

An electrician who charges $60 for a house call and $90 per hour can be expressed as the function y = 90x + 60. How much would the plumber charge if he worked for 4 hours?

• $360

• $420

• $450

• $400

Find the first 6 terms of the sequence.

• 13, 19, 25, 31, 37, 43

• 7, 13, 19, 25, 31, 37

• 1, 7, 13, 19, 25, 31

• 7, 12, 17, 22, 27, 32

Tags

CCSS.HSF.BF.A.2

CCSS.HSF.IF.A.3

CCSS.HSF.LE.A.2