Question

|2x + 7| >7

what are the boundary points?

Answer 1

absolute value

Explanation:

If your talking about the two lines by the 7 and the 2.

there used to find the absolute value of a number.

lets say you have this |-2| your answer would be 2.

|1| =1

-|1|= -1

I hope you get the point

the question would be 2x=7>7 its that easy

Answer 2

the answer is
`\begin{bmatrix}\mathrm{Solution:}\:&\:x<-7\quad \mathrm{or}\quad \:x>0\:\\ \:\mathrm{Interval\:Notation:}&\:\left(-\infty \:,\:-7\right)\cup \left(0,\:\infty \:\right)\end{bmatrix}`

Explanation:

i hope this helps :)

Try using Symbolab, I use it all the time it gives the correct answer and it gives good explanations (I use it all the time).