Simplify by combining like terms.-4a + 8a + 4
A. -4a + 4
B. 8a
C. 12a + 4
D. 4a + 4
Answer: D
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Find the area of the specified region.Inside the smaller loop of the limacon r = 5 + 10 sin ?
A. 5(3
- ?)
B. 
(2? - 3
)
C. 
D. 25?
Use dimensional analysis to convert the quantity to the indicated units. If necessary, round the answer to two decimal places.10 ft to in.
A. 30 in. B. 120 in. C. 360 in. D. 40 in.
Find the accumulated amount after 5 year(s) if $7,000 is invested at 9% compounded continuously. Round your answer to the nearest cent. ?
A. $10,959.77 B. $10,870.79 C. $10,978.19 D. $10,923.56
Provide an appropriate response.Suppose a friend tells you that the graph of f(x) = 
has a vertical asymptote with equation x = 4. Is this correct? If not, describe the behavior of the graph at 
A. This is incorrect. The graph is actually the graph of y = x - 4 with a "hole" at 
B. This is incorrect. The graph is actually the graph of y = x + 4 with a "hole" at (4, 8).
C. This is incorrect. The graph has an oblique asymptote at x = 4.
D. This is correct.