Answer:
Find out the what does the value 500 represent in this situation .
To prove
As given
The amount of money in a savings account after t years is represented by the function.
Exponential function for amount is given by .

Wher a is the initial value, r is the rate in decimal form and t is the time.
Compare the functions
and

Thus a = 500
Therefor $500 is the initial value .
Answer:
For Part C) use numbers 1 2 3 4.
Step-by-step explanation:
Answer:
15
Step-by-step explanation:
90-75=15
Answer:
231 ft per sec, 4620 ft in 20 sec
Step-by-step explanation:
3.3ft*70=231ft per sec.
231ft*20=4620ft in 20 sec