What is the zero of this polynomial HELP!

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

The monetary value earned for selling goods or services to customers is called a.) revenue b.) assets c.) money d.) accounting

Expresa commuter train leaves downtown sation and travels at a average speed of 55 miles per hour towards the north side sation, which is 50miles away. thirty minutes later, express commuter train #7 leaves north side and travels at a average speed of 35miles per hour towards downtown sation. at the moment the two trains pass each other, how far(in miles) is train #12 from the downtown sation and how long(in minutes) has the #12 train been traveling