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Anettt [7]
3 years ago
9

There are 20 wild pigs on an island and the number of pigs doubled each year for the past 5 years. The independent variable is

Mathematics
2 answers:
IRINA_888 [86]3 years ago
8 0
P(t)=20(2^t)

The independent variable is time.
Archy [21]3 years ago
5 0

Answer:

The independent variable is time.

Step-by-step explanation:

Given,

The original number of pigs on the island = 20,

Also, the number of pigs doubled each year,

After 1 year the pigs = 20(2),

After 2 years = 20(2)²,

After 3 years = 20(2)³,

......................., so on...

Similarly, the number of pigs after t years would be,

y=20.2^t

⇒ The value of y depends upon t,

⇒ The number of pigs depends upon the time ( in years ),

Since, the variable in which the other variable depends is called independent variable,

Hence, the independent variable must be time.

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