The total sales tax in a certain city is 8.75%. The state sales tax rate is 7.25%, and the county adds an additional sales tax o
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Answer:
Decay
Step-by-step explanation:
We are given an equation
We need to say about decay or growth of exponential function.
Exponential function:
Where,
- a is initial value of exponential function.
- b is decay or growth of function
For decay: 0<b<1
For growth: b>1
Now we rewrite the equation into this form
Changes to
Here, b=0.5 < 1
Therefore, The given function would be decay.
Thus, is deacy.