Solve the equation by completing the square.2x2 - 7 = 5x
A. 
, -1
B. 
, 1
C. 
, -1
D. 
, 0
Answer: A
Mathematics
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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) = 7 - 8x + x2 -8 ? x < 8
A. both sine and cosine terms B. only cosine terms C. only sine terms
Mathematics
Find an upper bound for the magnitude |E| of the error in the linear approximation L to f at the given point over the given region.
at 
R: |x| ? 0.1, |y| ? 0.1, |z| ? 0.1
A. |E| ? 16.816 B. |E| ? 14.714 C. |E| ? 15.765 D. |E| ? 18.2173
Mathematics
Determine whether the statement is true or false.The number 8 is a real number.
A. True B. False
Mathematics
Graph.(x - 1)y = 1
A. 
B. 
C. 
D. 
Mathematics