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OpenStudy (anonymous):
h(x)=x^3+2x+5 the domain is (-inf,inf), but what is the range?
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OpenStudy (e.mccormick):
Well, do you see anything that would say keep it from being negative?
OpenStudy (anonymous):
so the range is the same as the domain?
OpenStudy (agent0smith):
"odd" polynomial functions always have range (-inf, inf). Odd meaning, if the highest power is 1, 3, 5, 7 etc.
OpenStudy (e.mccormick):
Yep. It has no restrictions because it is a simple poly with an odd power in the highest degree term.
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