Find the domain of the function.f(x) = 
A. (-?, ?)
B. (-?, -8) ? (-8, 2) ? (2, ?)
C. (-?, 2) ? (2, ?)
D. (-?, -8) ? (-8, ?)
Answer: B
Mathematics
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Evaluate the integral.
A. 4i - 4j + 3k
B. 4i + 4j - 3k
C. 2i + 2j - 
k
D. 2i - 2j - 
k
Mathematics
The letters r and ? represent polar coordinates. Write the equation using rectangular coordinates (x, y).r = 
A. y2 = 10x - 25 B. y2 = 25 - 10x C. x2 = 10y - 25 D. x2 = 25 - 10y
Mathematics
Solve the problem.An object has a frequency of 5 vibrations per second. Write an equation in the form d = sin ?t for the object's simple harmonic motion.
A. d = sin 10t
B. d = sin 
?t
C. d = sin 10?t
D. d = sin 
t
Mathematics
Simplify.
A. 
B. 2x2 - 18
C. 
D. 2x - 5
Mathematics