Verify that the indicated family of functions is a solution of the given differential equation. assume an appropriate interval i of definition for each solution. d2y dx2 − 8 dy dx + 16y = 0; y = c1e4x + c2xe4x

Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers