SOLUTION: Given that f(x) = 5-7x-2x^2 for x is an element of R. Write down the range of the function f(x).

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Question 1184852: Given that f(x) = 5-7x-2x^2 for x is an element of R.
Write down the range of the function f(x).

Answer by josgarithmetic(39625)   (Show Source): You can put this solution on YOUR website!
Maximum point at so the range is the values y which less than or equal to 59/2 or 29.5



You need to use for completing-the-square.
.
.
--------showing the vertex is maximum point for f, and range is .

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