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Exponential Growth
Prispevano od: Foster
b=
a=
y=a*bx
Use ^ to show an exponent.
Equation y=

Marco invests $1000 in a bank so that it collects 

interest. The bank adds interest to Marco’s 

investment at a rate of 12% every 6 months.

Initial value =
Growth rate =
Growth factor =
%  or  decimal: 

Marco invests $1000 in a bank so that it collects 

interest. The bank adds interest to Marco’s 

investment at a rate of 12% every 6 months.

4 years = $
Use your equation from the previous screen todetermine how much money Marco will have in the bank after 4 years.

The Houston Astrodome was the first completely 

enclosed football and baseball stadium. It was built 

in 1965 for 45 million dollars. Construction costs 

have increased by about 6% each year since then.

Use ^ to show an exponent.
Equation y=
Initial value =
Growth rate =
Growth factor =
%  or  decimal: 
million

The Houston Astrodome was the first completely 

enclosed football and baseball stadium. It was built 

in 1965 for 45 million dollars. Construction costs 

have increased by about 6% each year since then.

How much would it cost to build the Astrodome 

today, 52 years later? 

Round to the nearest whole million.
million dollars

People keep leaving pet turtles in the turtle pond 

at UT. As a result, the population of turtles in the 

pond has increased by 3% each year. The pond 

started with  10 turtles in 1970.

Use ^ to show an exponent.
Equation y=
Initial value =
Growth rate =
Growth factor =
%  or  decimal: 

People keep leaving pet turtles in the turtle pond 

at UT. As a result, the population of turtles in the 

pond has increased by 3% each year. The pond 

started with  10 turtles in 1970.

How many turtles would you estimate were 

in the pond in 2017?


turtles
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