Question

I really need help!! ( 10x+2)^-1

Answer 1

What are you trying to do?

Answer 2

solve for x

Answer 3

(10x+2)^-1<0

Answer 4

@hartnn

Answer 5

Find out when \[
10x+2=0
\]first.

Answer 6

How?

Answer 7

Isolate \(x\).

Answer 8

Subtract and then divide.

Answer 9

2/-10

Answer 10

Now test a number that is greater than -2/10 and test a number that is less that -2/10.

Answer 11

For example, 0 is greater than it and -1 is less than it.

Answer 12

Is \[
\frac 1{10x+2}<0
\]when \(x=0\)?