Tell whether the given equation describes a parabola, an ellipse, or a hyperbola.r = 
A. Hyperbola
B. Ellipse
C. Parabola
Answer: C
Mathematics
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Find the Taylor polynomial of order 3 generated by f at a.f(x) = 
, a = 0
A. 
+ 
+ 
+ 
B. 
- 
+ 
- 
C. 
+ 
+ 
+ 
D. 
- 
+ 
- 
Mathematics
Find the inverse, if it exists, for the matrix.
A. 
B. 
C. 
D. 
Mathematics
Use a half-angle formula to find the exact value of the expression.tan 165°
A. -
+ 2
B. -
- 2
C. 
- 2
D. 
+ 2
Mathematics
Use the differential to find a decimal approximation of the radical expression. Round to four decimal places.
A. 2.9600 B. 3.0400 C. 3.0800 D. 3.2400
Mathematics