Answer:
y= 4
x= -1,-5
Step-by-step explanation:
Answer:
x=2
Step-by-step explanation:
Open parenthesis:
-2+8x=3x+8
Put all like terms on one side:
8x-3x=8+2
Simplify and solve:
5x=10
x=2
:)
Answer:
Step-by-step explanation:
twice a number is increased by 7.....let x represent the number
ur expression would be : 2x + 7
Answer:
See below
Step-by-step explanation:
<u>Given:</u>
- f(x)= { 3x+1, if −9 < x ≤ −2
- f(x)= {−5, if. −2 < x ≤ 1
- f(x)= { x−6, if 1 < x < 7
<u>Combination of domain for the function is the following union:</u>
- (-9, 2]∪ (-2, 1]∪(1, 7) = (-9, 7)
<u>Group of answer choices:</u>
The domain is the depth interval (−26, 1).
- incorrect as (-26, -9) interval is not covered in given function
The domain is the depth interval (−9, 1].
The domain is the set of times −9 < x < −2, −2 < x < 1, and 1 < x < 7.
- incorrect as doesn't include x = -2 and x = 1
The domain is the time interval (−9, 7).
- This is correct as it is same with the domain set we got above.