If r(t) is the position vector of a particle in the plane at time t, find the indicated vector.r(t) = (7 ln(4t))i + (6t3)jFind the acceleration vector.
A. a(t) = 
i + 18tj
B. a(t) = - 
i + 36tj
C. a(t) = - 
t-2i + 36tj
D. a(t) = 
t-2i + 36tj
Answer: B
Mathematics
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For ?ABC, given the measures of ?A and ?B, find the measure of ?C.?A = 28.9° and ?B = 62.8°
A. ?C = 91.7° B. ?C = 88.3° C. ?C = 89.3° D. ?C = 98.3°
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Is the following correspondence a function?
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Write as a percent.
A. 65% B. 0.065% C. 0.65% D. 6.5%
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