Hi..... the domain(D) will be:

Thanks... :)
X^2+4x-12
x^2+6x-2x-12
x(x+6)-2(x+6)
(x-2)(x+6)
So, B is the answer
Answer:
3rd one y=2x
Step-by-step explanation:
because they are saying how many minutes can you read 2 pages so it would be 2 times x and x is the 4 minutes
Answer: The value of x is 1
Step-by-step explanation:
10x + 5 = 15
Collect the like terms which in this case are the whole numbers "5" and "15")
10x = 15 - 5
10x = 10
Divide both sides by 10
10x/10 = 10/10
x = 1
Thus, the value of x is 1