F(2) means that you are plugging in 2 for x, while f(x)=2 means that the equation equals 2 (y=2) at a certain x value.
Answer: Regression line equation: 
Step-by-step explanation:
Equation of least-squares regression line for predicting y :
, where 
, 
Given: 
Then,
Now,
Then, Regression line equation:
1. 14y
2. 8x
3. 2x + 8y
4. 8x + 2
5. 6x + 6
6. 8x + 4
Answer:
Sorry, I don't know what are you saying
I'm not just going to give you that answer, i'm going to teach you how to do it for yourself. this is a function. what you do first is look at what the question is asking you, it's asking you to solve the function, when the value of x are as follows: -2, 1, 2. start with the easiest number, 1, and plug it in for x in each equation.
5• (1)^2 + 0
10• (1)^2 + 0
then set each equation equal to zero
5 • (1)^2 + 0 = 0
10 • (1)^2 + 0 = 0
now solve each equation. make sure the value value you get for the first equation is a negative number, because the question demands that by giving you "x<1"
complete the same steps for each other value to get the answers. hope this helps.
