Find the second derivative of f(x) = 6x4 - 7x2 + 4.
A. 24x2 - 14x
B. 24x2 - 14
C. 72x2 - 14
D. 72x2 - 14x
Answer: C
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Solve.
Which box has the highest median?
A. C B. B C. A D. D
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) = 
A. f(x) = 
+ 
B. f(x) = 
+ 
C. f(x) = 
+ 
D. f(x) = 
+ 
Write the expression as a product of a whole number and a power of 10. Use an exponent to represent the power of 10.20,000,000
A. 2 × 108 B. 2 × 105 C. 2 × 106 D. 2 × 107
Fill in the blank with one of the words or phrases listed below. 
A(n) 
is a sequence in which each term (after the first) differs from the preceeding term by a constant amount d. The constant d is called the 
of the sequence
A. arithmetic sequence, common difference B. geometric sequence, common difference C. arithmetic sequence, common ratio D. geometric sequence, common ratio