Question

Alicia is writing the program for a video game. For one part of the game she uses the rule (x,y)->(x-3,y+4) to move points on the screen. A) what output does the rule give when the input is (-6,0)? Show your work B)What output does the rule give when the input is (3,-4)? Show your work C) Is the rule a function? Explain why it is or why it is not

Answer 1

A.-6-3 = -9
0+4 = 4 
(-9,4)
B.3-3 = 0
-4+4 = 0 
(0,0)
Yes. it shifts the graph left (-3) and up (+4) with each x or y value.