Business Calculus
Consider the differential equation y′(x)=(y+2)(y−3).y^{\(\prime\)}(x)=(y+2)(y-3). In which regions are the solutions increasing?
For the autonomous differential equation y′(t)=3y−6y^{\(\prime\)}(t)=3y-6, find the equilibrium solution.
Sketch the solution curve that corresponds to the initial condition y(0)=1 y(0) = 1 for the differential equation y′(t)=8−4yy^{\(\prime\)}(t)=8-4y.
Solve the differential equation: y′(t)−4y=3y^{\(\prime\)}\(\left\)(t\(\right\))-4y=3
Solve the Bernoulli equation: z′(t)−4z=8z2z^{\(\prime\)}(t)-4z=8z^2 for z(t)z\(\left\)(t\(\right\)).
Suppose a car loan is described by the differential equation C′(t)=0.05C−400C^{\(\prime\)}(t)=0.05C-400, where C(t) C(t) is the unpaid balance and C(0) C(0) is the initial loan amount. What is the largest amount you can borrow without the balance increasing each month?
In a financial model, the amount A A grows according to dAdt=h(A) \(\frac{dA}{dt}\) = h(A) . What role does the function h(A) h(A) play in determining A(t) A(t) ?
A fish population in a pond starts at 50 50 at t=0 t = 0 . After 10 10 days, the population is 200 200 . The carrying capacity is 3200 3200 . After how many days will the population reach half the carrying capacity? Round your answer to nearest whole number.
Solve the initial value problem: x′′(s)=sesx^{\(\prime\]\prime\)}(s)=se^{s}, x(0)=1 x(0) = 1 , x′(0)=0x^{\(\prime\)}(0)=0.