practice test 556

Calculus
Practice Quiz 556

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Find dy/dx @ x = 2.

1. y = 3^{^x} 3.28 9.88 0	2. y = x^{^(3x)} 185.23 undefined 325.08
3. y = log₃ (x²) .91 1.821 undefined	4. y = 1 / ( log₃x ) 0 .92 -1.14

5. y=3e^x
32
7.51
22.17

6. y = e^5x
22026.47
36
110,132.33

7. y = xe³
20.09
2
0

12
42,587.23
35,771.50

9. y = ( x + 3 )^{^{(
x + 3 )}}
2456.32
8154.49
3125.69

Find dy/dx.

Evaluate.

10. y = ln x²
2/x
2ln x
1/x²

11.

ln ( 4x + 5) + c

- 4( 4x + 5 ) + c