Question

From the graph of g, state the intervals on which g is continuous. (answer in interval notation)

http://www.webassign.net/scalc/2-4-4.gif

Answer 1

increasing from
\[(-2,2)\cup(2,4)\]

Answer 2

increasing just means going up as you read from left to right

Answer 3

right, is that the same as continuous?

Answer 4

it didn't accept that as an answer. any other ideas? I've tired (-infinity, -4]U[-4,-2)U[-2]U[-2,2)U[2,4)U(4,6)U[6]U(6,8)U(8,infinity) and this didn't work either...

Answer 5

[-4,-2)U(-2,2)U(2,4)U(4,6)U(6,8)

Answer 6

when i plug that in the computer says syntax error?

Answer 7

no it is not the same as continuous

Answer 8

any ideas for what the interval notation would be?

Answer 9

increasing means going up. continuous means the curve is unbroken. they are two different things. which one are you trying to do?

Answer 10

oh damn it says "continuous" not "increasing" my fault

Answer 11

i need the interval notation where the function is continuous.

Answer 12

yeah, no problem

Answer 13

\[(-4,-2)\cup(-2,2)\cup (2,4)\cup(4,6)\cup(6,8)\]

Answer 14

all intervals open

Answer 15

site is having a fit

Answer 16

didn't work either :/ ?

Answer 17

\[(-4,-2)\cup(-2,2)\cup (2,4)\cup(4,6)\cup(6,8)\]

Answer 18

it won't accept that as an answer for some reason. any other ideas?

Answer 19

nevermind i finally got the answer. it was [-4,-2)U(-2,2)U[2,4)U(4,6)U(6,8). thank you for your help though!

Answer 20

that answer is in fact incorrect, i don't care what the site says

Answer 21

in fact it is ridiculous because
\[(-2,2)\cup[2,4)\] is the same as
\[(-2,4)\] and that is just plain wrong

Answer 22

check my answer

Answer 23

also the function is not continuous at -4, it is continuous from the right at -4. it doesn't even exist to the left of -4

Answer 24

if that is what webassign says they need to fix this because it is surely wrong.