With your answer, did you consider where x<0?
Graph:
http://www.webassign.net/scalc/2-4-4.gif
Answers to choose from:
(-, -4]
(-, -4)
[-4,-2]
[-4,-2)
[-2,2]
(-2,2)
[2,4]
[2,4)
[4,6]
(4,6)
[6,8]
(6,8)
[8,)
(8,)
Looking at the graph I would say the answer should be:
(4,2]
[2,2]
(2,4)
(4,6]
[6,8]
Please help I am so confused!
I am sorry, I don't understand.
I am also very confused regarding brackets.
from -4 to -2 it should be (-4,-2] right?
closed dots mean included and open dots mean not included.
However this answer isn't listed so my logic must be wrong.
Hello, NeoSonata!
From the graph, state the intervals where is continuous.
Code:| : ♥ | : * | : o * | : * o | *:* * | o : ♥ o ♥ | * * : * |* : - - - + - - + - - * - - + -*- + -*- + - - + - - -4 -2 *| 2 * 4 * 6 8 * | : o | ♥ : o | :
Answers to choose from:
. .
You omitted the minus-signs in your intervals.
And you have the parentheses and brackets reversed.
Note
means: from 2 to 5, including the 2 and 5.
means: from 2 to 5, not including the 2 and 5.
The correct answer is: .