Question

ENTERING INTERVAL ANSWERS For intervals of values, enter your answer using interval notation. Here are some examples of how interval notation relates to inequalities: Inequality Interval Notation 3 < x < 5 (3, 5) 3 < x ? 5 (3, 5] x > 3 (3, ?) 3 < x < 5 or 7 < x < 9 (3, 5) ? (7, 9) With inequalities, we use "less than" (<) or "greater than" (>) to exclude the endpoint of the interval. With interval notation, we use use round parentheses: (, ). With inequalities, we use "less than or equal to" (?) or "greater than or equal to" (?) to include the endpoint of the interval. With interval notation, we use use square brackets: [, ]. To combine two intervals, use U (an uppercase letter u) for union: ? . Use oo (two lowercase letter o's) for infinity: ?. Try it now. Enter the interval equivalent to 2 < x ? 5 or x > 7.

          ENTERING INTERVAL ANSWERS
For intervals of values, enter your answer using interval notation. Here are some
examples of how interval notation relates to inequalities:
Inequality	Interval Notation
3 < x < 5	(3, 5)
3 < x ? 5	(3, 5]
x > 3	(3, ?)
3 < x < 5 or 7 < x < 9	(3, 5) ? (7, 9)
With inequalities, we use "less than" (<) or "greater than" (>) to exclude the endpoint
of the interval. With interval notation, we use use round parentheses: (, ).
With inequalities, we use "less than or equal to" (?) or "greater than or equal to" (?) to
include the endpoint of the interval. With interval notation, we use use square
brackets: [, ].
To combine two intervals, use U (an uppercase letter u) for union: ? .
Use oo (two lowercase letter o's) for infinity: ?.
Try it now. Enter the interval equivalent to 2 < x ? 5 or x > 7.

ENTERING INTERVAL ANSWERS
For intervals of values, enter your answer using interval notation. Here are some
examples of how interval notation relates to inequalities:
Inequality Interval Notation
3 < x < 5 (3, 5)
3 < x ? 5 (3, 5]
x > 3 (3, ?)
3 < x < 5 or 7 < x < 9 (3, 5) ? (7, 9)
With inequalities, we use "less than" (<) or "greater than" (>) to exclude the endpoint
of the interval. With interval notation, we use use round parentheses: (, ).
With inequalities, we use "less than or equal to" (?) or "greater than or equal to" (?) to
include the endpoint of the interval. With interval notation, we use use square
brackets: [, ].
To combine two intervals, use U (an uppercase letter u) for union: ? .
Use oo (two lowercase letter o's) for infinity: ?.
Try it now. Enter the interval equivalent to 2 < x ? 5 or x > 7.

Added by Brian V.

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