Answer:
B.
Step-by-step explanation:
If you dont understand what I wrote, just ask!
Answer:
x=16 x=2
Step-by-step explanation:
x^2-18x+81=49
x^2-18x+81-49=0
x^2-18x+32=0
(x-16)(x-2)=0
x-16=0
+16+16
x=16
x-2=0
+2 +2
x=2
Answer:
1.8 or 9/5
Step-by-step explanation:
4
÷ 
Change into improper fractions
÷
Flip the second fraction and then multiply
×
=
18/10 is 1.8 as a decimal and 9/5 simplified
The Domain of a function is described as the set of all the x values that a function can take.These are the allowable values of a function.
From the table we can see that the first column shows the x values for the function. So the set of all values will be the Domain of the function.
Hence the Domain is {-2, -1, 0, 1}
So, option B gives the correct answer
