Evaluate the integral.
A. tanh (10x - 6) + C
B. 
tanh (10x - 6) + C
C. 
sech3 (10x - 6) + C
D. 
coth (10x - 6) + C
Answer: B
Mathematics
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Find dy/dx without eliminating the parameter.x = 4 tan t - 2, y = 6 sec t + 3, t ? 
A. 
sec t
B. 
csc t
C. 
tan t
D. 
sin t
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Solve the equation.
- 
= 4
A. {60} B. {120} C. {-120} D. {-60}
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Write the imaginary numbers using the letter i.
A. 5
i
B. 5
C. -5
i
D. -5
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Find only the rational zeros.f(x) = x5 - 5x4 - 3x3 + 15x2 - 4x + 20
A. -5, 2, -2 B. 5, 2, 3 C. 5, 2, -2 D. No rational zeros
Mathematics