Solve. Give your answer as a mixed number if appropriate. 
= 
A. 3
B. 5
C. 5
D. 7
Answer: C
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 2)i + (ln (sec t) - 4)j + 8k, -?/2 < t < ?/2
A. a = (sec t tan t)T + (sec t)N B. a = (cos t)T + (cos t)N C. a = (sec2 t)T + (cos t)N D. a = (csc t)T + (sec t)N
Mathematics
Write an equation for the hyperbola.
A. 
- 
= 1
B. 
- 
= 1
C. 
- 
= 1
D. 
- 
= 1
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Write the indicated term of the binomial expansion.(6x + 2y)9; middle two terms
A. 580,608x3y6 and 15,676,416x6y3 B. 15,676,416x5y4 and 5,225,472x4y5 C. 5,225,472x5y4 and 1,741,824x4y5 D. 1,741,824x3y6 and 47,029,248x6y3
Mathematics
Graph the exponential function.f(x) = 2x + 1 
A. 
B. 
C. 
D. 
Mathematics