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July 2nd, 2012, 01:59 AM   #1
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Finding c from graph

Another one! Could get the answer for b this time, but not c.

The equation for this graph is acos(bx)+c

I got a and b this time, but not c, which is 7/2! How do I arrive at 7/2?

Thank you!
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July 2nd, 2012, 04:00 AM   #2
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Re: Finding c from graph

[color=#000000]
The range of values of y is the set [2,5], y is a periodic function so .

Now the period of y is ?, so and so .

and

.[/color]
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July 2nd, 2012, 04:02 AM   #3
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Re: Finding c from graph



Do you know the value of at ?

This is the value of

Best regards,
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