The change of displacement with respect to time is defined as speed. Velocity is a vector quantity. The instantaneous velocity at t = 2 is -12.
<h3>What is velocity?</h3>
The change of displacement with respect to time is defined as Velocity. velocity is a vector quantity. It is a time-based component. Its standard unit is m/sec.
Given that the position of an object at time t is given by s(t) = 1 - 12t. Therefore, the velocity of the object can be written as,
V = ds/dt 
    = d(1 - 12t)/dt 
    = -12
s'(t) = -12
Now, the instantaneous velocity at t=2 is,
s'(2) = -12
Hence, the instantaneous velocity at t = 2 is -12.
To learn more about Velocity:
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I don't really know if the question is complete but...
y = x -10    can be a solution
so y would be -7 when x is 3
 
        
             
        
        
        
That would be c 4x^3-x^2+3x+13
        
             
        
        
        
It'll be 60 if you divided there is your actually answer
        
             
        
        
        
Answer:
Step-by-step explanation:
perp. -4/3
y + 2 = -4/3(x - 3)
y + 2 = -4/3x + 4
y = -4/3x + 2