Test: Differentiation I - Normal

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Question 1:   Differentiate y with respect to x: y= x 2 -5x
dy dx =2x-5
dy dx =2x
dy dx = x 2 -5
dy dx =-5
Question 2:   Differentiate y with respect to x: y=ln( x )
dy dx = 1 x 2
dy dx = 1 x
dy dx = 1 x 2 +1
dy dx =ln( 1 x )
Question 3:   The function f is defined by: f( x )=5 . Find f'( x )
f'( x )=1
f'( x )=0
f'( x )=x
f'( x )=5
Question 4:   Differentiate y with respect to x: y=tan( 5x )
dx dy = 5 cos 2 ( 5x )
dx dy = 1 cos 2 ( x )
dx dy = 1 cos 2 ( 5x )
dx dy = 5 cos 2 ( x )
Question 5:   Find the gradient of the function y= x 3 at the point x 0 =2
k=8
k=0.5
k=12
k=4
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