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PH KD. 3.8 TURUNAN FUNGSI ALJABAR

Total questions: 10

Worksheet time: 30mins

Name
Class
Date
1.

Turunan pertama dari y=2x34x2+2y=2x^3-4x^2+2  adalah ....

a)

y=6x28x+2y'=6x^2-8x+2  

b)

y=6x2+8x+2y'=6x^2+8x+2  

c)

y=6x38x2y'=6x^3-8x^2  

d)

y=6x28xy'=6x^2-8x  

e)

y=6x2+8xy'=6x^2+8x  

2.

Turunan dari (3x2+5)4\left(3x^2+5\right)^4  adalah ....

a)

12(3x2+5)312\left(3x^2+5\right)^3  

b)

24x(3x2+5)324x\left(3x^2+5\right)^3  

c)

12x(3x2+5)312x\left(3x^2+5\right)^3  

d)

24(3x2+5)324\left(3x^2+5\right)^3  

3.

Turunan dari  y=(x21)(x+3)\ y=\left(x^2-1\right)\left(x^{ }+3\right)   adalah ....

a)

x3+3x23x^3+3x^2-3  

b)

2x3x+32x^3-x+3  

c)

3x2+6x13x^2+6x-1  

d)

3x26x3x^2-6x  

e)

3x26x+13x^2-6x+1  

4.

Nilai dari x4 + 2x3  7x2 8x^4\ +\ 2x^3\ -\ 7x^2\ -8   adalah....

a)

4x4+6x214x84x^4+6x^2-14x-8  

b)

4x36x214x84x^3-6x^2-14x-8  

c)

4x3+6x214x4x^3+6x^2-14x  

d)

5x4+6x2+14x5x^4+6x^2+14x  

e)

x42x214xx^4-2x^2-14x  

5.

Turunan fungsi f(x)=2x+1x4f\left(x\right)=\frac{2x+1}{x-4}  

a)

7(x4)2\frac{-7}{\left(x-4\right)^2}  

b)

7(x4)2\frac{7}{\left(x-4\right)^2}  

c)

9(x4)2\frac{-9}{\left(x-4\right)^2}  

d)

9(x4)2\frac{9}{\left(x-4\right)^2}  

e)

10(x4)2\frac{-10}{\left(x-4\right)^2}  

6.

y=(x21)(x3+3)y=\left(x^2-1\right)\left(x^3+3\right)  Turunan pertama dari adalah ....

a)

x5x3+3x23x^5-x^3+3x^2-3  

b)

5x4+3x2+6x5x^4+3x^2+6x  

c)

5x43x2+6x5x^4-3x^2+6x  

d)

5x43x26x5x^4-3x^2-6x  

e)

x4x2+xx^4-x^2+x  

7.

Turunan fungsi
2x56x+1\sqrt{2x^5-6x+1}  adalah....

a)

10x462x56x+1\frac{10x^4-6}{\sqrt{2x^5-6x+1}}  

b)

(10x46)2x56x+1\left(10x^4-6\right)\sqrt{2x^5-6x+1}  

c)

(10x46) (2x5+6x +1)32(10x^4–6)\ \left(2x^5+6x\ +1\right)^{\frac{3}{2}}  

d)

5x432x56x+1\frac{5x^4-3}{\sqrt{2x^5-6x+1}}  

e)

110x46\frac{1}{\sqrt{10x^4-6}}  

8.

Turunan pertama dari f(x)=x235x+2f\left(x\right)=\frac{x^2-3}{5x+2}  adalah  f(x)f'\left(x\right) . Nilai dari  f(0)=....f'\left(0\right)=....   

a)

174-\frac{17}{4}  

b)

154-\frac{15}{4}  

c)

64\frac{6}{4}  

d)

154\frac{15}{4}  

e)

174\frac{17}{4}  

9.

Fungsi f ditentukan oleh f(x)=2x3+3x24x10f\left(x\right)=2x^3+3x^2-4x-10 . Nilai dari  f(1)=....f'\left(-1\right)=....   

a)

16-16  

b)

12-12  

c)

10-10  

d)

8-8  

e)

4-4  

10.

Tentukan Turunan pertama dari f(x)=1x2+ 3x25x3f(x)=\frac{1}{x^2}+\ 3x^2-\frac{5}{x^3}    !

a)

2x36x 15x4-\frac{2}{x^3}-6x\ -\frac{15}{x^4}  

b)

2x3+6x +15x4-\frac{2}{x^3}+6x\ +\frac{15}{x^4}  

c)

2x36x +15x4-\frac{2}{x^3}-6x\ +\frac{15}{x^4}  

d)

2x3+6x +15x4\frac{2}{x^3}+6x\ +\frac{15}{x^4}