Consider the polynomial function f(r)=4r7+r6−3r8+5r4−4r3+9r5\displaystyle {f{{\left({r}\right)}}}={4}{r}^{{7}}+{r}^{{6}}-{3}{r}^{{8}}+{5}{r}^{{4}}-{4}{r}^{{3}}+{9}{r}^{{5}}f(r)=4r7+r6−3r8+5r4−4r3+9r5. As r→−∞\displaystyle {r}\to-\inftyr→−∞, f(r)→\displaystyle {f{{\left({r}\right)}}}\tof(r)→ Select an answer +oo -oo 0 As r→∞\displaystyle {r}\to\inftyr→∞, f(r)→\displaystyle {f{{\left({r}\right)}}}\tof(r)→ Select an answer +oo -oo 0
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