Find the standard-form equation of the ellipse centered at the origin and satisfying the given conditions.An ellipse with a vertex at (0, 7) and a focus at (0, -3).
A. 
+ 
= 1
B. 
+ 
= 1
C. 
+ 
= 1
D. 
+ 
= 1
Answer: C
Mathematics
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Verify the identity.(sec x - tan x)(sec x + tan x) = 1
What will be an ideal response?
Mathematics
Find a bound on the error in approximating the given definite integral using (a) the trapezoidal rule and (b) Simpson's rule with n intervals.
?
?
A. 
B. ?
C. ?
D. ?
Mathematics
Solve the problem.During a five-year period, a company doubles its profits each year. If the profits at the end of the fifth year are $224,000, then what are the profits for each of the first four years?
A. $14,000, $28,000, $56,000, $112,000 B. $15,000, $30,000, $60,000, $118,000 C. $14,000, $28,000, $42,000, $56,000 D. $14,000, $28,000, $56,000, $140,000
Mathematics
Find the remaining trigonometric functions of ? if 
and cos ?< 0.
?
A. 
, 
, 
,
, 
B.
, 
, 
,
, 
C.
, 
, 
,
, 
D.
, 
, 
,
, 
E.
, 
, 
,
, 
Mathematics