Solve the equation.3x2 - 4x - 7 = 0
A. 
, 0
B. 
, -1
C. 
, -1
D. 
, 1
Answer: B
Mathematics
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For the curve r(t), write the acceleration in the form aTT + aNN.r(t) = (t + 6)i + (ln(sec t) - 9)j + 5k, -?/2 < t < ?/2
A. a = (sec2 t)T + (cos t)N B. a = (sec t tan t)T + (sec t)N C. a = (cos t)T + (cos t)N D. a = (csc t)T + (sec t)N
Mathematics
Sketch the graph of y = -1 - cosx over one period.
Mathematics
Simplify the expression. Select the correct answer.
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Mathematics
Perform the following operation.
?
What will be an ideal response?
Mathematics