Find .tan y = ex + ln 4x

A.
B.
C.
D. ex +  - sec2 y


Answer: A

Mathematics

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Perform the operation indicated. ? 

A.  
B.  
C.  
D.

Mathematics

Find an equation for the ellipse described.Center at (0, 0); focus at (0, -2); vertex at (0, 6)

A.  +  = 1
B.  +  = 1
C.  +  = 1
D.  +  = 1

Mathematics

Algebraically evaluate the limit (if it exists) by the appropriate technique(s). ? ?

A.
B.
C.
D.

?


E.

?


Mathematics

A petrol car is parked  feet from a long warehouse (see the figure below). The revolving light on top of the car turns at a rate of 30 revolutions per minute. Write ? as a function of x.  ?

A.
B.
C.
D.
E.

Mathematics