Let 
. Find the composite function.
?
?
A. ?
B. 
C. 
D. 
E. none of the above
Answer: A
Mathematics
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Find the standard-form equation of the hyperbola centered at the origin which satisfies the given conditions.A hyperbola having a focus at (12, 0) and eccentricity equal to 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
- 
= 1
D. 
- 
= 1
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.125i
A. 5 cis 30°, 5 cis 150°, 5 cis 270° B. 5 cis 60°, 5 cis 180°, 5 cis 300° C. 1, -1, -i D. 5 cis 0°, 5 cis 120°, 5 cis 240°
Mathematics
?Solve the system of linear equations
using the inverse matrix 
A. ?
B. ?
C. ?
D. ?
E. ?
Mathematics
Find the second-order partial derivative.Find fyx when f(x, y) = ln(2x + 9y).
A. 
B. 
C. 
D. 
Mathematics