Solve the problem.A local farmer takes soil samples each year in each field he works. The number of soil samples taken per field in a certain year is: 5, 9, 71, 3, 2, 8, 84, 1, 4, 16. Find the mode of the data if it exists.
A. 19.7 samples
B. 8 samples
C. no mode
D. 9 samples
Answer: C
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Find at least three nonzero terms [including a0, at least two cosine terms (if they are not all zero) and at least two sine terms (if they are not all zero)] of the Fourier series for the given function.f(x) = -x + ? -? ? x ? ?
A. f(x) = ? - 2 sin x + 
sin 2x - . . .
B. f(x) = ? - sin x + 
sin 2x - . . .
C. f(x) = ? + 2 sin x - 
sin 2x + . . .
D. f(x) = ? - 2 sin x + sin 2x - . . .
Use the information in the table to solve the problem. Write your answer as a fraction in lowest terms.The table below shows the amounts of pollutants (in parts per million) in a sample of rainwater.
Find the ratio of pollutant C to pollutant A.
A. 
B. 
C. 
D. 
Solve for the base. Round to the nearest cent.Part: $743.00 Rate of increase: 12%
A. $663.39 B. $763.39 C. $832.16 D. $743.00
Simplify.2 ? (7 + 5) ÷ (1 + 1)
A. -6 B. 12 C. 48 D. 6