Solve the given differential equation by undetermined coefficients. y" + 4y = cos?(x)
x(x) = cos(2x) + Cysin(2x) + sin(2x)
Solve the given initial-value problem.
y" + 3y' - 4y = 17e2x, y(0) = 1, y'(O) = 1
Y(x) =

Two variables, x and y, vary inversely, and x=12 when y=4. what is the value of y when x=3?

Need ! the total ticket sales for a high school basketball game were $2,260. the ticket price for students were $2.25 less than the adult ticket price. the number of adult tickets sold was 230, and the number of student tickets sold was 180. what was the price of an adult ticket?

1: 4 if the wew 35 surfboards at the beach how many were short boards?