Answer:
B
Step-by-step explanation:
Range refers to all the y values that a function has. The table shows that the function has y values: 1, 2, and 4.
Answer:
4
Step-by-step explanation:
First, get x to one side.
subtract 6x to both sides
-8 = -2x
Then divide -2 to both side
Yes they are equivalent. You get -3 when you try solving the actual equation.
Answer:
Step-by-step explanation:
Rationalize the denominator of b. So, multiply the numerator and denominator by 

Now, find a +b

Combine like terms

Now find (a + b)²
(a +b)² = 

Hint: 
Answer: 11.2 because I know trust me. I did a worksheet with this same question and got 11.2 and it was correct.