Choose the correct letter

1. Find y' for y = sec2x tan2x*

a. y=2sec^4 2x+2sec2xtan^2 2x

b.y=2sec^3 2x+2sec2xtan^3 2x

c.y=2sec^2 2x+2sec2xtan^3 2x

d.y=2sec^3 2x+2sec2xtan^2 2x

2. For x (-,) ____________________, Tan^(-1) x is defined by y= tan^(-1) x if and only if,tany with (-)/2

a inverse tangent function

b.trigonometric function

c.reciprocal function

d.graphical function

3. Find tan^(-1) (1)*

a./2

b./3

c./4

d. /5

4. Find the derivative of y= e^7x*

a.6e^7x

b.7e^7x

c.7e^6x

d.5e^7x

5. When b=10,then the logarithm is said to be ______that is, y= log_10 x if and only if x= 10^y *

a.Natural logarithm

b.Inverse function

c.Inverse cosine function

d.Common logarithm

Find the derivatives of the following

FX 2 .) 4 = ex sFe # en x 2 2X