Find the first two nonzero terms of the Maclaurin expansion of the given function.f(x) = excos x
A. x + x2 - ...
B. 
+ 2x - ...
C. 1 + x2 + ...
D. 1 + x - ...
Answer: D
Mathematics
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Find the exact function value.cot-1(-1)
A. 
B. 
C. - 
D. - 
Mathematics
Determine whether the graph of the equation is symmetric with respect to the x-axis, the y-axis, and/or the origin.y = 3x2 - 3
A. x-axis B. origin C. y-axis D. x-axis, y-axis, origin E. none
Mathematics
Graph the function.y = -cot 
A. 
B. 
C. 
D. 
Mathematics
Complete the square to write the equation in the form 
- 
= 1 or 
- 
= 1. x2 - y2 - 2x - 4y - 4 = 0
A. (y - 1)2 - (x + 2)2 = 1
B. (x - 1)2 - (y + 2)2 = 1
C. (x - 1)2 + (y + 2)2 = 1
D. 
- 
= 1
Mathematics