Sales analysis. The rate of change of the monthly sales of a newly released football game is given by S ′ ( t ) = 500 t 1 / 4 S ( 0 ) = 0 where t is the number of months since the game was released and S ( t ) is the number of games sold each month. Find S ( t ). When will monthly sales reach 20,000 games?
Sales analysis. The rate of change of the monthly sales of a newly released football game is given by S ′ ( t ) = 500 t 1 / 4 S ( 0 ) = 0 where t is the number of months since the game was released and S ( t ) is the number of games sold each month. Find S ( t ). When will monthly sales reach 20,000 games?
Solution Summary: The author calculates the function S(t) and the value of t at which the monthly sales reach 20,000 games.
Sales analysis. The rate of change of the monthly sales of a newly released football game is given by
S
′
(
t
)
=
500
t
1
/
4
S
(
0
)
=
0
where t is the number of months since the game was released and S(t) is the number of games sold each month. Find S(t). When will monthly sales reach 20,000 games?
Assuming that the rate of change of the price P of a certain commodity is proportional to the difference between demand D and supply S at any time t, the differential equations describing the price fluctuations with respect to time can be expressed as: dP/dt = k(D - s) where k is the proportionality constant whose value depends on the specific commodity. Solve the above differential equation by expressing supply and demand as simply linear functions of price in the form S = aP - b and D = e - fP
Find the area of the surface obtained by rotating the circle x² + y² = r² about the line y = r.
3) Recall that the power set of a set A is the set of all subsets of A: PA = {S: SC A}.
Prove the following proposition.
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Differential Equation | MIT 18.01SC Single Variable Calculus, Fall 2010; Author: MIT OpenCourseWare;https://www.youtube.com/watch?v=HaOHUfymsuk;License: Standard YouTube License, CC-BY