payshencec21
29.03.2020 •
Mathematics
What is the solution of the equation of the compound inequality 4x <-8 or 9x> 18
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Ответ:
x<-2 or x >2
Step-by-step explanation:
4x <-8 or 9x> 18
Solve them seperately
4x <-8
Divide by 4
4x/4 <-8/4
x<-2
9x> 18
Divide by 9
9x/9 >18/9
x >2
x<-2 or x >2
Ответ:
The ends of the arrows give us a range.
Range is {0,4}.
c. domain: {–2, 0, 2}, range: {4, 0}