The position vector of a particle is r(t). Find the requested vector.The acceleration at t = 
for r(t) = (9t - 3t3)i + 3tan(3t)j + e5tk
A. a
= 
?i + 108j + 25e5/12?k
B. a
= - 
?i - 108j + 25k
C. a
= - 
?i + 108j + 25e5/12?k
D. a
= - 
?i - 108j + 25e5/12?k
Answer: C
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Use integration by parts to establish a reduction formula for the integral.
A. 
= - 
sinn-1 x cos x + 
B. 
= - 
sinn-1 x cos x - 
C. 
= sinn-1 x cos x - (n - 1) 
D. 
= sinn-1 x cos x + (n - 1) 
Solve the problem.Jordan sold his used golf clubs and accessories for $219. If he received twice as much money for the golf clubs as he did for the accessories, find how much money he received for the golf clubs.
A. $83 B. $438 C. $73 D. $146
Evaluate the function at the indicated value.Find 
when f(x) = 6x - 1.
A. 6 + 
B. 6
C. 6 + 
D. 0
Solve the problem.If heads is five times as likely as tails when a biased coin is flipped, what values should be given to Pr(H) and Pr(T)?
What will be an ideal response?