Please help all i know is 10,000x 12/100=1,200+99=1,299

Which of the following is true for the relation f(x)=2x^2+1

10 ! a train starts from grand city and travels toward belleville 388 miles away. at the same time, a train starts from belleville and runs at the rate of 47 miles per hour toward grand city. they pass each other 4 hours later. find the rate of the train from grand city.

‼️‼️‼️10 points‼️‼️‼️ me it’s important‼️‼️‼️‼️‼️