Find a Cartesian equation for the parametric equations.x = cot t, y = csc2t - 1
A. y = x2
B. y = x2 + 1
C. y = x2 - 1
D. y = x
Answer: A
Mathematics
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Find the derivative of y.y = 2t3 tanh 
A. 6t2 tanh 
- 4 sech2 
B. 6t2 tanh 
- 2 sech2 
C. 6t2 tanh 
- 4 sech 
D. 6t2 tanh 
+ 4 sech2 
Mathematics
Divide, if possible. Assume any variable in the denominator is nonzero.
A. 1 B. Undefined C. 15 D. 0
Mathematics
Solve. Remember to insert units when writing your answer.Joel is 1.84 m tall and his father is 32 mm shorter. How tall is Joel's father?
A. 1.808 m B. 1.872 m C. 1.8368 m D. 1.52 m
Mathematics
Solve the problem.It is your goal to have 
in savings, and your opening balance is 
. How much more money do you need to reach your goal?
A. $6041 B. $5000 C. $3913 D. -$3913
Mathematics