CH2 Motion Along a Straight Line
 
 
The truck, its motion, and a graph
                                                        
 
Instantaneous (瞬时) velocity
Examples:
                    
 
More examples on derivatives (导数，微商)
 
Summary on derivatives (导数，微商)
Function y=ƒ(x)
Derivative y´=ƒ´(x)=dƒ/dx
C (a constant)
0
sinx
cosx
cosx
-sinx
lnx
1/x
 
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