y=2sin(4x+*Pi*)+3

I need the period, the domain, the range...and i have no idea to get the period...ahh!!!!

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- Aug 17th 2006, 06:59 AMLuckyjoshuaTrig HELP
y=2sin(4x+*Pi*)+3

I need the period, the domain, the range...and i have no idea to get the period...ahh!!!! - Aug 17th 2006, 07:29 AMThePerfectHackerQuote:

Originally Posted by**Luckyjoshua**

$\displaystyle f=\frac{2\pi}{4}=\frac{\pi}{2}$.

The domain is any number. Because you can calculate sine for any value.

The range is tricker. You need to find the amplitute first which is 2. Then the highest value is take is 3+2=5 and the smallest is 3-2=1. Thus the range is,

$\displaystyle 1\leq y\leq 5$