Which of the following is described by the notation? <-> AB|| <-> CD? A. Skew lines b. Parallel lines c. Intersectin
g lines d. Perpendicular lines
1 answer:
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Answer:
Step-by-step explanation:
when the exponent is equal, we can put the x and y together in a bracket and a as the Exponent of xy.
Hope I get your question~
Take into account, that in general, a cosine function of amplitude A, period T and vertical translation b, can be written as follow:
In the given case, you have:
A = 4
T = 3π/4
b = -3
By replacing you obtain:
Hence, the answer is:
f(x) = 4cos(8/3 x) - 3