Find the values of x for which the geometric series converges.
A. -4 < x < -3
B. -5 < x < -4
C. -5 < x < -3
D. -4 < x < 4
Answer: C
Mathematics
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Find an equation for the tangent to the curve at the given point.y = 
, (2, 4)
A. y = 2x - 8 B. y = 2x + 8 C. y = 8x + 6 D. y = 6x - 8
Mathematics
Find ? for 0° ? ? < 360°.csc ? = -3.200
A. 198.21°, 341.79° B. 18.21°, 341.79° C. 522.65°, 17.35° D. 198.21°, 288.21°
Mathematics
The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 1 for r(t) = t5i + 4ln
j + 
k
A. a(1) = 20i - 4j - 2k
B. a(1) = 20i + 
j - 2k
C. a(1) = 20i + 4j + 2k
D. a(1) = 20i + 
j + 2k
Mathematics
Simplify.-8 + 3 - 14 + (-18)
A. -9 B. -15 C. -1 D. -37
Mathematics