Solve the system of linear equations. x + 5y = 5 4x + 6y = 20
A. Inconsistent: no solutions
B. (5, 0)
C. (6, -1)
D. (6, 5)
Answer: B
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Determine whether the Fourier series of the given function will include only sine terms, only cosine terms, or both sine terms and cosine terms.f(x) = 
A. only sine terms B. both sine and cosine terms C. only cosine terms
Test the equation for symmetry with respect to the specified axis, line, or pole.r = 4 + 2 cos ?; the origin (pole)
A. May or may not be symmetric about the origin B. Symmetric about the origin
Identify a method whereby a random sample can be selected from the population.A shipment of 2000 radios has arrived at electronic City's warehouse. The warehouse foreman wants to determine the rate of defects. He will randomly sample 20 radios and check for defects. The serial numbers of the radios range from 2010 to 4010.
A. Open a carton and check the first 20 radios. B. Use a table of random numbers to generate 20 random numbers between 2010 and 4010 and use these numbers to identify the radios to be included in the sample. C. Choose the 20 radios that look the most damaged.
Find the derivative of the function by using the rules of differentiation.
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Fill in the blank(s) with the appropriate word(s).