The graphs show the position s, velocity v = ds/dt, and acceleration a = d2s/dt2 of a body moving along a coordinate line as functions of time t. Which graph is which?
A. C = position, A = velocity, B = acceleration
B. A = position, B = velocity, C = acceleration
C. A = position, C = velocity, B = acceleration
D. B = position, A = velocity, C = acceleration
Answer: D
Mathematics
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For the given complex number, determine the complex conjugate in trigonometric form.2
A. 
B. 2
C. 2
D. 
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Specify the domain of the function.f(x) = 7x2 + 9x - 7
A. All real numbers B. x < 0 C. x ? 0 D. x > 0
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Find the exact value of the expression if ? = 45°. Do not use a calculator.g(?) = sin ?Find 6 g(?).
A. 3
B. -3
C. 6
D. -6
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Use DeMoivre's Theorem to find the indicated power of the complex number. Write the answer in rectangular form.(-
+ i)6
A. 64i
B. -64
+ 64i
C. -64
D. 64 - 64
i
Mathematics