Determine the domain of the expression. Write the domain in interval notation.
A. (-?, 0) ? (0, ?)
B. (-?, 5) ? (5, ?)
C. (-?, -5) ? (-5, ?)
D. (-?, ?)
Answer: B
Mathematics
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Find the area of the specified region.Inside the outer loop and outside the inner loop of the limacon r = 8 sin ? - 4
A. 16(? + 3
)
B. 8(2? - 3
)
C. 
(4? - 3
)
D. 8(4? + 3
)
Mathematics
Match the vector equation with the correct graph.
r(t) = tj; -2 ? t ? 2
A. Figure 6 B. Figure 3 C. Figure 1 D. Figure 5
Mathematics
Provide an appropriate response.Divide: 2
÷ 3
A. 
B. 
C. 
D. 
E. none of the above
Mathematics
Use a calculator to find the following. Round your answer to four places past the decimal point. ? sec 47.9° ?
A. 1.5806 B. 1.4246 C. 1.4916 D. 1.6366 E. 1.3686
Mathematics