Simplify the radical. Assume that all variables represent positive numbers.
A. 55
B. 121
C. 77
D. 11
Answer: D
Mathematics
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Find the differential of the function.y = 4 sec5x
A. 20 sec4x dx B. 20 tan2x sec5 x dx C. 20 tan x sec5x dx D. 20 tan2x sec4x dx
Mathematics
Solve the problem.Martha can rake the leaves in her yard in 2 hours. Her brother can do the job in 4 hours. How long will it take them to do the job working together?
A. 
hr
B. 
hr
C. 
hr
D. 
hr
Mathematics
Use the vertical line test to determine whether y is a function of x.
A. Yes B. No
Mathematics
Find an equation of the tangent line to the graph of 
at the point (2, 0) .
What will be an ideal response?
Mathematics