Answer:
f(x) = 3x - 3
Step-by-step explanation:
Plug into TI-83/84 calculator.
Hit STAT
Hit EDIT
X-Values go in for L1
Y-Values go in for L2
Hit STAT
Scroll over to CALC
Hit #4 for LinReg (Finds line of best fit)
Enter all the way through
A is your slope
B is your y-intercept
domain: [-9, -4] ∪ [6, 7]
Im not wait shure but i think it is 2/6
You have to multiply everything in the brackets by 4:
20x + 12y - 28