Question

is interval notation the {r|r>3} type thing

Answer 1

@cool_singer214 what do you mean to ask?

Answer 2

how do u write the interval notation

Answer 3

Here we have r>3, so r could be anything greater than 3.
Do you know about infinity?

Answer 4

yes but how do u write it

Answer 5

infinity is written as this \(\infty\)
so r>3 in interval notation
\[(3, \infty)\]

Answer 6

alright so goin back to the last question,
w<5 and w>-1
-1<w<5

is this right so far