diff --git a/Schrick-Noah_Homework-3.R b/Schrick-Noah_Homework-3.R
index 4260361..021eeda 100644
--- a/Schrick-Noah_Homework-3.R
+++ b/Schrick-Noah_Homework-3.R
@@ -282,11 +282,17 @@ legend(x = "topleft",
 
 # c) Use k3=0.02
 pp.params.c <- c(.01, .1, .02, .05)
-pp.sol.c <- ode45(f = function(t,y){pp.f(t,y,k=pp.params)},
+pp.sol.c <- ode45(f = function(t,y){pp.f(t,y,k=pp.params.c)},
                 y = c(prey0, pred0),
                 t0 = tmin, tfinal = tmax)
 plot.pred.prey(pp.sol.c, "ODE45 with k3=0.02")
 
+pp.params.c2 <- c(.01, .1, .02, .75)
+pp.sol.c2 <- ode45(f = function(t,y){pp.f(t,y,k=pp.params.c2)},
+                  y = c(prey0, pred0),
+                  t0 = tmin, tfinal = tmax)
+plot.pred.prey(pp.sol.c2, "ODE45 with k3=0.02, k4=0.75")
+
 ## 5. Solve SIR model numerically from t=0 -> 20
 sir.f <- function(t, y, k) {
   dS <- -k[1] * y[1] * y[2]