SOLUTION: For the function f(x)= -3x^2-4x+3, find the minimum or maximum value and where it occurs. Then determine the functions domain and range.

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Question 472535: For the function f(x)= -3x^2-4x+3, find the minimum or maximum value and where it occurs. Then determine the functions domain and range.
Answer by robertb(5830) About Me  (Show Source):
You can put this solution on YOUR website!
The min or max happens at the vertex (-b%2F%282a%29, %284ac+-+b%5E2%29%2F%284a%29).
The vertex is then (-2/3, 13/3). Since a = -3 < 0, there is a maximum of 13/3 at x = -2/3.
The domain is the set of all real numbers, and the range is (-infinity, 13/3].