Find a cubic model for the set of values. Then use the regression coefficient of the model to determine whether the model is a good fit. (-3, -23), (- 1,17), (1,5), (3, - 47)

55/i dont know i do it for the points

step-by-step explanation:

step-by-step explanation:

we are given

since, we have to isolate x on anyone side

so, we can move all x terms on one side

subtract both sides by 2x

add both sides by 9

divide both sides by 4

we get

answer: the answer is one

step-by-step explanation:

pemdas, in this situation there is no parenthesis or exponents so you go to multiplication, 1x1=1, then division 1/1= 1 then addition 1+1=2 then subtraction 2-1=1