SOLUTION: Sketch the graph of y=1.5(2)^2. State the functions domain and range. I've already done the graph, all I need is the function's domain and range. Thank you so much for all of

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Question 346679: Sketch the graph of y=1.5(2)^2. State the functions domain and range.
I've already done the graph, all I need is the function's domain and range.
Thank you so much for all of your help!!!!!

Answer by solver91311(24713)   (Show Source): You can put this solution on YOUR website!


You have a constant function. Since is not a factor in your function, it doesn't matter what is. Therefore the domain is all reals, i.e. . Since the value of is a constant 6, the range is , more simply stated .

On the other hand, if you really meant:



then, since this is a polynomial function, it is defined for all real , hence the domain is still all reals, or . Since this is a parabola opening upward with vertex at , the minimum value of the function is 1.5 and the maximum increases without bound. Hence the range of the function is: .


John

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