1. 2. f(x) = (4x 2 + 1) 4 3. f(x) = (5x + 4) 2 4. f (x) = ( 3 - 6 x ) 140 5. 6.

Question

1.

2.

f(x) = (4x2 + 1)4

3.

f(x) = (5x + 4)2

4.

f (x) = ( 3 - 6x)140

5.

6.

7.

8.

9.

f(x) = (-5x + 7)4

10.

1.

A)
B)
C)  
D)

2.

f(x) = (4x2 + 1)4

A) f ' (x) 4 (4x2 + 1)3
B) f ' (x) = (32x + 1) (4x2 + 1)3
C) f ' (x) = 32 (4x2 + 1)3
D) f ' (x) = 32x (4x2 + 1)3

3.

f(x) = (5x + 4)2

A) f '(x) = 10( 5x + 4)
B) f '(x) = 5( 5x + 4)
C) f ' (x) = 2 (5x + 4)
D) f '(x) = 10 (5x + 4)2

4.

f (x) = ( 3 - 6x)140

A) f ' (x) = 140 (3 - 6x)139
B) f ' (x) = -840 (3 - 6x)140
C) f ' (x) = -840 (3 - 6x)139
D) f ' (x) = 840 ( 3 - 6x)139

5.

A)
B)
C)
D)

6.

A)  
B)
C)
D)

7.

A)
B)
C)  
D)

8.

A)
B)  
C)
D)

9.

f(x) = (-5x + 7)4

A) f ' (x) = -20( -5x + 7)3
B) f ' (x) = 5 (5x + 4)
C) f ' (x) = 4 ( -5x + 7)4
D) f ' (x) = -20( -5x + 7)4

10.

A)  
B)
C)
D)

Explanation / Answer

1;- A 2;-D 3;-A 4;-C 5:-D

6:-B 7:-C 8:-B 9:-A 10:-A

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