Write the solution set in interval notation.{x|x > 3}
A. [3, ?)
B. (3, ?)
C. (-?, 3]
D. (-?, 3)
Answer: B
Mathematics
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Find the sum of the series as a function of x.
A. - 
B. - 
C. 
D. 
Mathematics
The position vector of a particle is r(t). Find the requested vector.The velocity at t = 
for r(t) = 4sec2(t)i - 10tan(t)j + 6t2k
A. v
= 16i - 20j + 3?k
B. v
= 16i + 20j - 3?k
C. v
= -20j - 3?k
D. v
= -20j + 3?k
Mathematics
Simplify the difference quotients 
and 
for the following function. Rationalize the numerator when necessary.f(x) = 9x + 2
A. 9; 9 B. 9h; 9a C. 9x - 9h; 9x - 9a D. 9; 9x - 9a
Mathematics
Find all cube roots of the complex number. Leave answers in trigonometric form.64
A. 4 cis 0°, 4 cis 120°, 4 cis 240° B. 4 cis 0°, 4 cis 60°, 4 cis 120° C. 4 cis 45°, 4 cis 165°, 4 cis 325° D. 4 cis 90°, 4 cis 210°, 4 cis 330°
Mathematics