State the domain of the given function.f(x) = 5x2 + 9x - 7
A. all whole numbers
B. (-?, ?)
C. all real numbers except 0
D. (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. 10,148.47 B. 11,342.93 C. 12,238.78 D. 9376.82
Mathematics
Evaluate the expression.(-2)0
A. 0 B. 1 C. -2 D. -1
Mathematics
Provide an appropriate response. Solve the following quadratic using any method, rounding to the nearest hundredth if necessary: 5x2 + 4x = 8.
A. x = -0.4, 1.2 B. x = 0.93, -1.73 C. x = -0.8, 0.4 D. x = -0.93, 1.73
Mathematics
Evaluate the expression.
2
A. 
B. 
C. 
D. 
Mathematics