Identify the axis of symmetry of the parabola.y = 3x2 + 6x + 7
A. x = -4
B. x = 1
C. x = 4
D. x = -1
Answer: D
Mathematics
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Solve.Find the volume of the solid generated by revolving the region in the first quadrant bounded by the x-axis and the curve y = sin 2x, 0 ? x ? 
about the line x = 
.
A. 
?2
B. 
?2 - ?
C. 
D. 
?
Mathematics
Solve the problem. Round your answer to three decimals.What annual rate of interest is required to double an investment in 10 years?
A. 6.931% B. 3.589% C. 7.177% D. 11.612%
Mathematics
Use the method of your choice to find the least common multiple of the numbers.2, 5, and 18
A. 90 B. 18 C. 180 D. 10
Mathematics
Provide an appropriate response.A number rounded to the nearest thousand is 89,000. What is the largest whole number this could have been before rounding?
A. 89,999 B. 89,500 C. 89,499 D. 88,999
Mathematics