Identify the polynomial as a monomial, binomial, trinomial, or none of these.-10s6 - 9s + 2
A. Monomial
B. Binomial
C. Trinomial
D. None of these
Answer: C
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Find the indicated derivative of the function.f'''(x) for f(x) = 
A. - 
B. 
C. 
D. - 
Solve the problem.A rectangular enclosure must have an area of at least 2700 yd2. If 240 yd of fencing is to be used, and the width cannot exceed the length, within what limits must the width of the enclosure lie?
A. 0 ? w ? 30 B. 30 ? w ? 60 C. 30 ? w ? 90 D. 60 ? w ? 90
Provide an appropriate response.A student claims that the equation tan ? + 1 = sec ? is an identity, since by letting ? = 0° we get 0 + 1 = 1, a true statement. Comment on this student's reasoning.
What will be an ideal response?
Solve the problem.A product of two oscillations with different frequencies such as f(t) = sin(10t) sin(t)is important in acoustics. The result is an oscillation with "oscillating amplitude." src="https://sciemce.com/media/4/ppg__tttt0523191219__f1q44g4.jpg" alt="" style="vertical-align: -4.0px;" /> last two functions constitute an "envelope" for the function g(t). For certain values of t, the two cosine functions in g(t) cancel each other out and near-silence occurs; between these values, the two functions combine in varying degrees. The phenomenon is known (and heard) as "beats." For what values of t do the functions cancel each other?
What will be an ideal response?
the product f(t) of the two oscillations as a sum of two cosines and call it g(t).
a graphing utility, graph the function g(t) on the interval 0 ? t ? 2?.
the same system as your graph, graph y = sin t and y = -sin t.