Why is this a function? X Y
3. -1

0.
0
-3

-6. 2
(3 and 0 are both assigned to 0)

How many square feet of out door carpet will we need for this hole? 8ft 3ft 12ft 4ft

Cassie is traveling 675 miles today to visit her brother and his family. so far, she has stopped for gas three times. at the first stop, she put in 7.1 gallons of gas and paid $23.79. at her second stop, she put in 5.8 gallons of gas and paid $19.08. and, at the third stop, 6.6 gallons and paid $20.39. at which stop did casey pay the most for gas?

How is working backward similar to solving an equation?