A driver wants to gauge the fuel efficiency of
2 answers:
Answer: Y = -2X + 105
Step-by-step explanation: let speed = x and mpg = y
Using linear equation
Y = MX +c
M = dy/dt = (15 - 25)/( 40 - 45) =
-10/5 = -2
When y = 15 , x = 45
15 = -2(45) + c
15 = -90 + c
C = 105
The model linear equation will be
Y = -2X + 105
Answer:
m = -2s + 105 for s > 30
Step-by-step explanation:
To get the gas mileage (m) as a function of average speed (s) mph. If m is for the fuel efficiency and s is for the average speed, it can be represented by the equation of a straight line.
(s₁, m₁) = (40, 25) and (s₂, m₂) = (45, 15)
The equation is given by:
Substituting values:
m = -2s + 105 for s > 30
m is in mpg and s is in mph
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