How do you solve and write the following in interval notation: #x + 7 > 8#?

Answer 1

Nathan Axel

#x>1,(1,oo)#

Isolate x by subtracting 7 from both sides of the inequality.

#xcancel(+7)cancel(-7)>8-7#

#rArrx>1" is the solution"#

#"or "(1,oo)" in interval notation"#

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Answer 2

Ethan Adkins

To solve and write the inequality (x + 7 > 8) in interval notation, you would first isolate (x) and then express the solution in interval notation.

(x + 7 > 8)

Subtract 7 from both sides:

(x > 1)

Interval notation: ((1, +\infty))

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Answer from HIX Tutor

When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.

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How do you solve and write the following in interval notation: #x + 7 &gt; 8#?

How do you solve and write the following in interval notation: #x + 7 > 8#?