4, -8
add the x's and add the y's


so the ODE is indeed exact and there is a solution of the form
. We have




With
, we have

so

Answer:
6 %
Step-by-step explana
100 pennies makes a dollar... you just add 5 for the nickel and 1 fo the penny and it makes 6
Answer:
A) zero; cannot
Step-by-step explanation:
In line with the principle of rational expectations, expectation errors are unpredictable. The expectations of all available information will not differ from the optimal projections.The word optimal projection is inexorably intertwined with the best guess in rational expectations theory.