Answer:
The domain and range of function is the set of all possible inputs and outputs of a function respectively.
The domain and range of a function y = f (x) is given as domain= {x ,x∈R }, range= {f (x), x∈Domain}.
The domain and range of any function can be found algebraically or graphically.
Answer:
i cant see the question really well,can you plz send another copy
Step-by-step explanation:
This is a proportion problem
3/10= 12/x
Now cross multiply and divide
12 x 10= 120
120/3= 40
Answer is 40
Again u just have to meaiuse
Answer:
<h2>x < - 3</h2>
Step-by-step explanation:

Move 7 to the other side of the inequality

Divide both sides by - 5

Reverse the sign
We have the final answer as
<h3>x < - 3</h3>
Hope this helps you