Find the curvature of the space curve.r(t) = (t + 5)i + 5j + (ln(sec t) + 3)k
A. ? = sec t
B. ? = csc t
C. ? = cos t
D. ? = sin t
Answer: C
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An experiment consists of selecting a card from a standard deck of playing cards and noting whether the card is black (B) or red (R). What are the events of this experiment? ?
A. {B, R}, {R, B} B. {Ø}, {B}, {R} C. {B}, {R}, {B, B}, {R, R} D. {Ø}, {B}, {R}, {B, R} E. {Ø}, {B, R}, {R, B}, {R, R}, {B, B}
Provide an appropriate response.Find the midpoint between the points (7, -7) and (-3, -3).
A. (-4, -10) B. (-2, -5) C. (2, -5) D. (2, 5)
Write out the first five terms of the sequence.an = n - 5
A. 0, 1, 2, 3, 4 B. -4, -3, -2, -1, 0 C. -20, -15, -10, -5, 0 D. -5, -4, -3, -2, -1
Provide an appropriate response.If a ? b, is it always true that a2 ? b2? Explain.
What will be an ideal response?