Solve the inequality and give the solution in interval notation.
? 
+ 
A. [14, ?)
B. (14, ?)
C. (-?, 14)
D. (-?, 14]
Answer: A
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Solve the problem.The product of two consecutive odd integers is 195. Find all pairs of integers that satisfy this condition.
A. -15 and 15 B. -15 and 13, -13 and 15 C. -15 and 13 D. -15 and -13, 13 and 15
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__qas0526191658__f1q86g4.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.
Evaluate the expression according to the order of operations.9 ? 
- 2(6 - 1)
A. 55 B. 59 C. 35 D. 215
Solve the problem.The perimeter of a rectangular room is 42 ft. The width is 7 ft. Find the length.
A. 15 ft B. 13 ft C. 14 ft D. 35 ft