Specify the domain of the function.f(x) = 
A. x ? 64
B. All real numbers
C. x ? 8, x ? -8
D. x > 64
Answer: B
Mathematics
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Assuming that the equations define x and y implicitly as differentiable functions 
find the slope of the curve 
at the given value of t.x cos t + x = 2t, y = t sin t + t, t = 
A. 2
B. 
C. 2 + ?
D. 
Mathematics
Rewrite as a complex fraction and simplify.
A. 
B. 
C. 
D. 
Mathematics
Simplify the expression by combining any like terms.2y + y - 6y
A. -3y B. -4y + y C. -5y D. -4y
Mathematics
Divide.
A. 2x8 + 10x7 + x B. 2x7 + 10x7 + x2 C. 12 D. 2x7 + 10x6 + x
Mathematics