Find the extreme values of the function subject to the given constraint.
A. Maximum: 18 at 
minimum: -18 at 
B. Maximum: 4 at 
minimum: -4 at 
C. Maximum: 18 at 
minimum: -18 at 
D. Maximum: 4 at 
minimum: -4 at 
Answer: B
Mathematics
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Find the equation of the curve described by the given information.Ellipse: center 
, focus 
, vertex 
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Mathematics
Provide an appropriate response.When you add or subtract fractions, you must first change the fractions so that they have the same 
.
Fill in the blank(s) with the appropriate word(s).
Mathematics
Estimate the fraction as 0, 
, or 1.
A. 1
B. 0
C. 
Mathematics
For problems 6-12 solve the system of equations using elimination, if possible, and express the solution as an ordered triple.
A. 
B. 
C. 
D. infinitely many solutions
E. no solution
Mathematics