Unit 5 Study guide spring

A chiropterologist is a scientist who studies bats. A bat colony is discovered and a chiropterologist calculates that there are 2,100 bats in the colony. If the population of the colony doubles each year, which function, B(t), describes the population of the colony t years after discovery?

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Chris purchased a used truck for $11,500. According to an online vehicle website, his truck will depreciate, or lose value, at a rate of 5.5% each year. What function, d(x), represents the value of Chris's truck x years after its purchase?

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.BF.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is a, the starting term, for the function: f(x) = 300(1.16)^x?

• 300
• 1.16
• .16
• x

Write the exponential equation

Tags

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

Match the following

• initial value

• 
• time

• 
• final value

• 
• rate

• 

Tags

CCSS.7.EE.A.1

CCSS.7.G.A.1

CCSS.7.G.B.6

What is the initial value from the table?

(hint: look for the y-intercept value)

• 80

• 40

• 20

• 10

• 0

Tags

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7

A Petri dish currently has 48 bacteria. Each hour, the total number doubles. The bacteria are allowed to grow for one full day.

(What is the rate?)

• 48 bacteria

• 2

• 1 day

• 24 hours

Tags

CCSS.HSF.BF.A.1

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

CCSS.HSF.LE.A.3

Match rate when written as a % and decimal

• 0.05

• 5%

• 0.50

• 3%

• 0.30

• 30%

• 0.03

• 50%

Tags

CCSS.5.NBT.A.3

CCSS.5.NBT.B.7

Determine if each table of values represents a linear function, exponential function or neither function.

If it does represent a linear or exponential function, write an equation to model the table of values.

• Neither function

Tags

CCSS.HSA.CED.A.2

CCSS.HSF.LE.A.1

CCSS.HSF.LE.A.2

What is the y-intercept?

• (0,0)
• (0,1)
• (-3,0)
• (0,-3)

Tags

CCSS.HSA.CED.A.2

CCSS.HSA.REI.D.10

CCSS.HSF.IF.B.4

CCSS.HSF.IF.C.7

CCSS.HSS.ID.C.7