determine whether there is a max or a min value for the given function, find tha

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determine whether there is a min or a max value for the given fnx, find the value:

f(x)=x squared - 7x +6

Jun 3rd, 2015

Thank you for the opportunity to help you with your question!

y=x^2-7x+6=(x-1)(x-6)

x1=1, x2=6

yes there is a minimum value for the given function because delta=b^2-4ac=49-24=25>0, the minimal value is when x=-b/2a=7/2, the minimal value is -6.25

Please let me know if you need any clarification. I'm always happy to answer your questions.
Jun 3rd, 2015

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Jun 3rd, 2015
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