Question

I NEED HELP THANKS! :)

Answer 1

(-INFINITY,7]
I DO NOT UNDERSTAND HOW TO WRITE THIS IN INEQUALITYES

Answer 2

@abb0t

Answer 3

\[[a,b]\] says the lowest value 'x' can take is a and the highest value is b.

so we can write \(a\le x\le b\)

in same way can you describe what (-INFINITY,7] represents ?

Answer 4

the `(` bracket before -infinity says that x cannot tke the value -infinity