Answer:
<h3> 1)

</h3><h3> 2)

</h3>
Step-by-step explanation:
<h3>1)</h3>

<h3>2)</h3><h3>

</h3>
2.3, 2.6, 2 4/5
2 4/5= 2.8
Answer:
5y + 15
Step-by-step explanation:
8y - 6y = 2y + 3y = 5y
13 + 2 = 15
Answer:
1st function: all negative real numbers
2nd function: all real numbers
3rd function: all real numbers except -3 ≤ x ≤ 3
4th function: all real numbers between -3 and 3
Step-by-step explanation:
In the picture attached, the question is shown.
The domain is the set of all the numbers that the independent variable (here, x) can assume.