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Question 58009: Determine the domain and the range of the function
f(x) = x^2 - 12x + 36
Answer by rcmcc(152)   (Show Source):
You can put this solution on YOUR website! x^2 - 12x + 36
place this equation in your graphing calculator and press graph.
you see that the parabola vertex is at point 5,0 and extends upward.
because the two arms extend outward forever we can state that the domain is X(E)R
because the graph stops vertically at 0 we can state the range 0≤Y
the range just states all the possible points on the graph, but because the graph only extends above the x axis all the vertical points must be above 0.
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