The eccentricity is given of a conic section with one focus at the origin, along with the directrix corresponding to that focus. Find a polar equation for the conic section. e = 3, x = -8
A. r =
B. r =
C. r =
D. r =
Answer: A
Mathematics
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Find the extreme values of the function subject to the given constraint.
A. Minimum: 5 at (±1, 0); maximum: 7 at (0, ±1) B. Minimum: 5 at (0, ±1); maximum: 7 at (±1, 0) C. Minimum: 5 at (0, ±1); maximum: 0 at (0, 0) D. Minimum: 5 at (±1, 0); maximum: 0 at (0, 0)
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Graph the polar equation for ? in [0°, 360°).r = 2 - cos ?
A.
B.
C.
D.
Mathematics
Factor out the greatest common factor.8m6 + 24m4 + 20m2
A. m2(8m4 + 24m2 + 20) B. 4(2m6 + 6m4 + 5m2) C. 4m2(2m4 + 6m2 + 5) D. no common factor
Mathematics
Use the graph of y = f(x) to find the limit.f(x)
A. 0 B. 5 C. -? D. ?
Mathematics