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Differentiation Rules

Total questions: 15

Worksheet time: 13mins

Name
Class
Date
1.

Which of the following is CORRECT?

a)

ddx(−5)=−5\frac{d}{dx}\left(-5\right)=-5

b)

Dx(4)=−4D_x\left(4\right)=-4

c)

ddx(12x)=1\frac{d}{dx}\left(\frac{1}{2}x\right)=1

d)

Dx(2)=0D_x\left(\sqrt{2}\right)=0

2.

 ddx(23x+1)\frac{d}{dx}\left(\frac{2}{3}x+1\right)  


Find the derivative.

a)

 11  

b)

 12\frac{1}{2}  

c)

 23\frac{2}{3}  

d)

 53\frac{5}{3}  

3.

 f(x)=4x3−3x2+2xf\left(x\right)=4x^3-3x^2+\sqrt{2}x  , find its derivative.

a)

 f′(x)=12−6xf'\left(x\right)=12-6x  

b)

 f′(x)=12x2−6x+2f'\left(x\right)=12x^2-6x+\sqrt{2}  

c)

 f(x)=12x2−6x+2f\left(x\right)=12x^2-6x+\sqrt{2}  

d)

 f′(x)=3x4−2x3+xf'\left(x\right)=3x^4-2x^3+x  

4.

 y=2xy=\frac{2}{\sqrt{x}}  



What is the derivative of the given function?

a)

 y ′=−1xxy\ '=-\frac{1}{x\sqrt{x}}  

b)

 dydx=1x3\frac{dy}{dx}=\frac{1}{\sqrt{x^3}}  

c)

 y ′=1xxy\ '=\frac{1}{x\sqrt{x}}  

d)

 dydx=−12x\frac{dy}{dx}=-\frac{1}{2\sqrt{x}}  

5.

 Dx[(x)(x3+4x)]D_x\left[\left(x\right)\left(x^3+4x\right)\right]  

Find the derivative.

a)

 x4+4x2x^4+4x^2  

b)

 4x3+8x4x^3+8x  

c)

 12x2+812x^2+8  

d)

 24x24x  

6.

 ddx(e2x)\frac{d}{dx}\left(e^{2x^{ }}\right)  
Find the derivative.

a)

 e2xe^{2x}  

b)

 2e2xx2e^{2x}x  

c)

 2e2x2e^{2x}  

d)

 2x2x  

7.

 Dx(33x)D_x\left(3^{3x}\right)  
Find its derivative.

a)

 3(3x+1)3^{\left(3x+1\right)}  

b)

 3(3x+1)ln⁡(3)3^{\left(3x+1\right)}\ln\left(3\right)  

c)

 33xln⁡(3)3^{3x}\ln\left(3\right)  

d)

 33xln⁡(9)3^{3x}\ln\left(9\right)  

8.

 y=ln⁡(4x+4)y=\ln\left(4x+4\right)  
Find y'.

a)

 y′=1x+1y'=\frac{1}{x+1}  

b)

 y′=44x+1y'=\frac{4}{4x+1}  

c)

 y′=1(x+1)ln⁡(4)y'=\frac{1}{\left(x+1\right)\ln\left(4\right)}  

d)

 y′=1xy'=\frac{1}{x}  

9.

 y=log⁡5(5x)y=\log_5\left(5x\right)  
Find the derivative.

a)

 y′=1xln⁡(5x)y'=\frac{1}{x\ln\left(5x\right)}  

b)

 y′=1ln⁡(5)⋅xy'=\frac{1}{\ln\left(5\right)\cdot x}  

c)

 y′=55x⋅ln⁡(x)y'=\frac{5}{5x\cdot\ln\left(x\right)}  

d)

 y′=ln⁡(5x)y'=\ln\left(5x\right)  

10.

 Dx(sin⁡(4x3))D_x\left(\sin\left(4x^3\right)\right)  is equal to what?

a)

 sin⁡(4x3)(12x)\sin\left(4x^3\right)\left(12x\right)  

b)

 12x2cos⁡(4x3)12x^2\cos\left(4x^3\right)  

c)

 cos⁡(48x5)\cos\left(48x^5\right)  

d)

 12xcos⁡(4x3)12x\cos\left(4x^3\right)  

11.

 f(x)=−3cos⁡(3x)f\left(x\right)=-3\cos\left(3x\right)  
Find the derivative of the function?

a)

 9sin⁡(3x)9\sin\left(3x\right)  

b)

 −9sin⁡(3x)-9\sin\left(3x\right)  

c)

 3sin⁡(9x)3\sin\left(9x\right)  

d)

 −3sin⁡(9x)-3\sin\left(9x\right)  

12.

 g(x)=tan⁡(e2x)g\left(x\right)=\tan\left(e^{2x}\right)  

a)

 g′(x)=2e2xsec⁡2(e2x)g'\left(x\right)=2e^{2x}\sec^2\left(e^{2x}\right)  

b)

 g′(x)=sec⁡2(e2x)⋅e2xg'\left(x\right)=\sec^2\left(e^{2x}\right)\cdot e^{2x}  

c)

 g′(x)=sec⁡(e2x)tan⁡(e2x)⋅e2xg'\left(x\right)=\sec\left(e^{2x}\right)\tan\left(e^{2x}\right)\cdot e^{2x}  

d)

 g′(x)=e2xsec⁡(e2x)g'\left(x\right)=e^{2x}\sec\left(e^{2x}\right)  

13.

 y=(x2+1)(x3−1)y=\left(x^2+1\right)\left(x^3-1\right)  
Find the derivative using the Product Rule.

a)

 x5+x3−x2−1x^5+x^3-x^2-1  

b)

 5x4−3x2+2x−15x^4-3x^2+2x-1  

c)

 5x4+3x2−2x5x^4+3x^2-2x  

d)

 4x3−3x2−2x4x^3-3x^2-2x  

14.

 y=cos⁡(4x)e4xy=\cos\left(4x\right)e^{4x}  
Find its derivative.

a)

 y′=−4e4xsin⁡(4x)+4e4xcos⁡(4x)y'=-4e^{4x}\sin\left(4x\right)+4e^{4x}\cos\left(4x\right)  

b)

 y′=4e4xsin⁡(4x)+4e4xcos⁡(4x)y'=4e^{4x}\sin\left(4x\right)+4e^{4x}\cos\left(4x\right)  

c)

 y′=4e4x(sin⁡(4x)+cos⁡(4x))y'=4e^{4x}\left(\sin\left(4x\right)+\cos\left(4x\right)\right)  

d)

 −4sin⁡(4x)+4cos⁡(4x)e4x-4\sin\left(4x\right)+4\cos\left(4x\right)e^{4x}  

15.

 f(x)=x2+x−22xf\left(x\right)=\frac{x^2+x-2}{2x}  
Find f '(x).

a)

 x2+22x2\frac{x^2+2}{2x^2}  

b)

 x2+42x2\frac{x^2+4}{2x^2}  

c)

 x2−12x2\frac{x^2-1}{2x^2}  

d)

 x2+14x2\frac{x^2+1}{4x^2}