A function is a special type of relation where A. one x can map to multiple y's
B. one x can map to only one y

Svetlana's hair is 4 4 centimeters ( cm cm) long. her hair grows 1 . 5 cm 1.5cm per month. svetlana wants her hair to be less than 1 6 cm 16cm long. write an inequality to determine the number of months, m m, svetlana can allow her hair to grow so that it is less than 1 6 cm 16cm long.

Don't know how to find x given these segment lengths

Use sigma notation to represent the following series for 9 terms.