Exponential Decay A

Consider the exponential model: y = 1000(1 - 0.12)^t Does the equation represent exponential growth or exponential decay?

• Exponential Growth

• Exponential Decay

Consider the exponential model: y = 1000(1 - 0.12)^t The initial amount is _____

In the exponential model y = 1000(1 - 0.12)^t, the growth/decay rate is _____.

In the exponential model y = 1000(1 - 0.12)^t, the growth/decay factor is _____

Choose the correct graph for the situation on problem #5

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Graph the exponential function that has a starting value of 8 and decreases by 12.5%.

Set the dotted line to y = 0.

• Exponential Growth

• Exponential Decay

• Quadratic

The population of Townville is decreasing at a rate of 6% each year. If the starting population was 7,000 what equation represents the current population after x number of years?

At a certain point in time, a fossil has 3 picograms of carbon-14. Complete the table with the missing mass of carbon-14 and years

a

b

c

2.38

11,460

1.5

Consider the exponential model: y = 1000(1 - 0.12)^t If the equation represents the growth or decay of an investment, the value of the investment after 5 years will be _____.