Algebra Exponential Growth and Decay

Determine the population for year 3 of the table.

• 8.2

• 8.4

• 8.64

• 9

Tags

CCSS.HSF.BF.A.2

In an exponential function, what does the 'a' represent?

• SLOPE

• RATE OF CHANGE

• initial amount

• COMMON RATIO

Tags

CCSS.HSF.LE.B.5

What is the range for the following function?

• All positive values

• All real numbers

• All negative values

• 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

An initial investment of $480 earns interest for 7 years in an account that earns 13% interest, compounded quarterly. Find the amount of money in the account at the end of the 7 year period. Use the attached formula.

• $1138.34

• $1129.25

• $1175.34

• $695.340

What is b, the growth factor, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF-IF.C.8B

What is a, the starting term, for the function: f(x) = 800(0.85)^x?

• 800

• 0.85

• 0.15

• x

Tags

CCSS.HSF.LE.B.5

The number of mosquitoes at the beginning of the summer was 4,000. The population of mosquitoes is expected to grow at a rate of 25% a month. How many mosquitoes will there be after 4 months?

• 9766

• 9006

• 9765

• 5433

Tags

CCSS.HSF.BF.A.2

What is r, the growth rate, for the function: f(x) = 300(1.16)^x?

• 300

• 1.16

• .16

• x

Tags

CCSS.HSF-IF.C.8B

What is the domain for the following function?

• All positive values

• All real numbers

• All negative values

• 0

Tags

CCSS.8.F.A.1

CCSS.HSF.IF.B.5

A population of 2200 beetles is too large to sustain and decreases in population each month at a rate of 5%. How would you write your decay factor, b?

• -5

• -.05

• .95

• .05

Tags

CCSS.HSF-LE.A.1C