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Plz...Help...Only Part B


Baxter is thinking about buying a car for $18,500. The table below shows the projected value of two different cars for three years.


Part B: Write one function for each car to describe the value of the car f(x), in dollars, after x years. (4 points)

PlzHelpOnly Part B Baxter is thinking about buying a car for 18500 The table below shows the projected value of two different cars for three years Part B Write class=

Respuesta :

From the relation for linear regression formula, Y = b·X + a, we have ;


For car 1
ΣXY = 102780
(ΣX)² = 36
ΣX = 6
ΣY = 52390
ΣX² = 14
N = 3
b = -1000
a = 19463
Y = -1000×X + 19463
For Car 2
ΣXY = 102539.8
(ΣX)² = 36
ΣX = 6
ΣY = 52346.6
ΣX² = 14
N = 3 .
b = -1076.7
a = 19602
Y = -1076.7×X + 19602

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