Answer:lazy
Step-by-step explanation:
4 dollars they contributed 4 dollars each
Derive the equation and equate the derivative to zero.
dan/dt = -2n + 6 = 0
The value of n in the equation is 3. We substitute 3 to the original equation,
an = -(3)² + 6(3) - 7 = 2
The answer to this item is letter B.
48.15 because 7% of 45 is 3.15, and 45+3.15 is 48.15
