Establish the identity.
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What will be an ideal response?
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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) = ? + sin x - 
sin 2x + 
sin 3x - . . .
B. f(x) = ? + 2 sin x - sin 2x + . . .
C. f(x) = 2 sin x - sin 2x + 
sin 3x - . . .
D. f(x) = ? + sin x - 
sin 2x + . . .
Provide an appropriate response.An I-beam measures 14 ft long. How many whole 
ft pieces can be cut from this length?
A. 5 B. 6 C. 7 D. 8
Solve the problem.A farmer has 500 feet of fence with which to fence a rectangular plot of land. The plot lies along a river so that only three sides need to be fenced. Estimate the largest area that can be fenced.
A. 46,875 ft2 B. 25,000 ft2 C. 37,500 ft2 D. 31,250 ft2
Write a different inequality with the same meaning.19 ? 37
A. 37 ? 19 B. 37 ? 19 C. 19 ? 37 D. 37 > 19