Mile marker 372-376 on US 12, otherwise known as the Marvin hill, is causing a lot of issues for semis. The road is covered in ice and you are barely able to walk on it, much less drive. There is a no travel advisory in Grant County. Please stay off the roadways if you don’t have to be on them. #keepSDsafe | South Dakota Highway Patrol

Simple Yet Difficult Type of Math Problems | Lambert W Function For more discussion about what a Lambert W Function is, you can refer to our previous video in this link. https://www.facebook.com/learnmathbyexamples/videos/1476644509822046/ | Math Avenue : Learn Math By Examples