Answer:

Step-by-step explanation:
We have been given that the area
(in square meters) of a circular algae colony with radius r meters is given by
. The radius
(in meters) after t minutes is given by
. We are asked to write the formula for the area
(in square meters) of the algae colony after t minutes.
This problem is based on composite functions, in which function
represents radius of circle after t minutes.
To write the formula for the area
(in square meters) of the algae colony after t minutes, we need to substitute
in area formula
.

Therefore, our required formula would be
.
Answer:
21
Step-by-step explanation:
Multiply by 3 and find out.
Answer: i inserted two just incase but tell me if i am wrong
Step-by-step explanation:
Answer:
hi
Step-by-step explanation:
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