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OpenStudy (anonymous):
whats the domain and range of f(x) = 3x^2+4x-5
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OpenStudy (anonymous):
I think it's: Domain=All real numbers Range=All reals greater than or equal to -6.33333333
OpenStudy (anonymous):
can you show the work for that and thank you
OpenStudy (anonymous):
What I did is graph it on my calculator. It is a parabola, and since it keeps going out there are infinite x values (hence the domain of all real numbers). The lowest point that the parabola reaches is -6.3 repeating, so there are no y values after that. That would make the range -6.33333
OpenStudy (anonymous):
ok thank you so much
OpenStudy (anonymous):
you're welcome
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