Answer:
20 x 57^x / 10^x
Step-by-step explanation:
<h2>Answer :</h2>

_____________________________

we have the function

Part a
For t=7
substitute in the given function

For t=14

For t=21

For t=28

For t=35

Observation: The values of E varies from -1 to 1, including the zero
Part B
Remember that
The Period goes from one peak to the next
so
Period=2pi/B
B=pi/14
Period=(2pi)/(pi/14)=2pi*14/pi=28
<h2>the period is 28 days</h2>
Answer:
8
Step-by-step explanation:
5 + 3 = 8
<em>Hope that helps! </em>
<em>-Sabrina</em>
Answer: 7 times greater because there are 7 days in a week