Inactive Tutor answered • 03/29/17
Tutor
New to Wyzant
I assume you mean
y = (1/2) sinx
Domain is all real numbers.
Range: From -1/2 to 1/2
Amplitude: 1/2
Period: 2π
Inactive Tutor
The domain is all the real numbers from -∞ to ∞.
This forum does not lend itself to graphing. However, if you are familiar with the graph of y = sinx, the graph of y = (1/2) sinx has the same shape and crosses the x-axis at the same places, but y goes up to only 1/2 instead of 1, and down to only -1/2 instead of -1.
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03/29/17
Fabay J.
one moment please!
can u give the full explanation to this problem, so that i can explain much more during reporting.
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04/05/17
Inactive Tutor
Find a figure in your your math book that has a plot of y = sinx. The plot of y = A sinx, is very similar, but it ranges from +A to -A on the y-axis, instead of +1 to -1. It has the same period as sinx, and crosses the x-axis at the same places, i.e. where x = nπ, n being any integer. There really is not much more to say about this this. You should have seen a plot of sinx in your class, and I am sure your book has a figure of it.
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04/05/17
Inactive Tutor
I would add one more thing: The maximum and minimum values occur at odd multiples of ±π/2. But there is no substitute for examining a figure with the plot and seeing this for yourself.
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04/05/17
Fabay J.
oh my god!
i cant understand?
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04/05/17
Fabay J.
03/29/17