Answer:
i think it's letter c. f (n) = 4n-1
Step-by-step explanation:
1x4= 4, 2x4= 8, 3x4= 16, and so on
hope this helps!! :))
Answer:

Step-by-step explanation:
Area of the Pond A= 
The increase in the area of the pond as it moves outward is: 

Since the area of the circle formed increases at the rate of 100 square feet per minute.
= 100 Square feet per minute
When the radius, r = 5 feet, we want to determine the rate at which the radius is changing,
.

Answer:

Step-by-step explanation:
Given
Represent Carlos with y and his brother with x.
Analysing the statement one after the other:
Half of his brother's amount is: 
$2 more: means we add 2 to 
So, we have: 
The above represent Carlos's amount.
So, the expression is:

Answer:
11,695 ft²
Step-by-step explanation:
Since the pizza is circular
Area of a circle = π r²
but radius is the diameter divided by 2