inequality?

0 ⤊

Suppose I have a problem: 1/x > 7

I want to solve the inequality for x.
Can someone give me the right answer and show their work?

2006-11-26 08:54:41 · 2 answers · asked by Anonymous in Science & Mathematics ➔ Mathematics

2 answers

First, notice that you need to restrict x to > 0

then mult by x

1/x>7
1 > 7x
1/7>x

If you have a graphing calculator, it's instructive to see what 1/x looks like.

2006-11-26 09:09:43 · answer #1 · answered by modulo_function 7 · 0⤊ 0⤋

1/x>7
1>7x
1/7>x

2006-11-26 17:48:20 · answer #2 · answered by Mysterious 3 · 0⤊ 0⤋