For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = 
i + 
j + 5tk
A. a = 144T
B. a = T + 144N
C. a = 144N
D. a = 144T + 144N
Answer: C
Mathematics
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A. 
B. 
C. 
D. 
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Determine whether the given number is a solution of the equation. 
+ x = 3; x = 
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Factor completely. If the polynomial is prime, then state this as your answer.4x2 + 20x + 25
A. (2x - 6)2 B. (2x + 5)(2x - 5) C. (2x + 5)2 D. (2x - 5)2
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Decide whether the composite functions, f ? g and g ? f, are equal to x.f(x) = 
, g(x) = x5 + 15
A. No, yes B. No, no C. Yes, yes D. Yes, no
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