Write the domain of the rational function in interval notation.f(x) = 
A. (-?, ?)
B. 
? 
C. 
? 
D. 
? 
Answer: B
Mathematics
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Solve the problem.Suppose that the radius r and volume V = 
?r3 of a sphere are differentiable functions of t. Write an equation that relates dV/dt to dr/dt.
A. 
= 4?r2
B. 
= 4?
C. 
= 
?r2
D. 
= 3r2
Mathematics
Solve the problem.Add (n8 - 20) to the difference between (8n7 - 10n5 - 16) and 
A. -44n12 B. n8 + 5n7 + 2n5 - 21 C. n8 + 5n7 + 2n5 - 51 D. n8 + 5n7 - 7n5 - 21
Mathematics
Simplify.log 10-11
A. 11 log 10 B. 11 C. log -11 D. -11
Mathematics
Find the slope of the line going through the given pair of points.(5, -7) and (5, 3)
A. 
B. Undefined
C. 
D. 10
Mathematics