Question

Graph the following conditions. Click on the graphic to choose the correct answer.

{(x, y): x -4} {(x, y): x 4}

Answer 1

x < 4 & x>-4 ??

Answer 2

huh??

Answer 3

{(x, y): x -4} {(x, y): x 4} ??

Answer 4

ummmmmm.......

Answer 5

you're sure that it's {(x, y): x -4} and not something like {(x, y): x > -4} ?

Answer 6

yes positive

Answer 7

first you're gonna draw the two equations "x=4" and "x=-4" , then you can see that the figures c & d are false because they represent the equations "y=4 & y=-4" do you agreeing with this ??

Answer 8

excuse me the wrong answers are b & d not c & d

Answer 9

so you have two choice and it's depend here on the sign in the conditions