Identify the vertex of the given parabola.f(x) = x2 + 8
A. (0, -8)
B. (0, 8)
C. (8, 0)
D. (-8, 0)
Answer: B
Mathematics
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Find the surface area or volume.Use substitution and a table of integrals to find, to two decimal places, the area of the surface generated by revolving the curve 
about the x-axis.
A. 90,329.45 B. 74,906.59 C. 69,213.13 D. 83,719.65
Mathematics
Solve the equation.log (x + 4) = log (4x + 1)
A. 
B. 
C. 
D. 
Mathematics
Multiply or divide as indicated. Write the answer in lowest terms.
÷ 
A. 1
B. 
C. 
D. 
Mathematics
Evaluate the expression without the use of a calculator, and then verify your answer using a calculator.log 1000
A. 3
B. 
C. 30
D. -3
Mathematics